diff --git a/spine/ana/base.py b/spine/ana/base.py
index 0ad4a410..c36c56b2 100644
--- a/spine/ana/base.py
+++ b/spine/ana/base.py
@@ -333,4 +333,4 @@ def process(self, data):
         data : dict
             Filtered data dictionary for one entry
         """
-        raise NotImplementedError('Must define the `process` function')
+        raise NotImplementedError('Must define the `process` function')
\ No newline at end of file
diff --git a/spine/ana/diag/__init__.py b/spine/ana/diag/__init__.py
index 63f7c32c..2f80173a 100644
--- a/spine/ana/diag/__init__.py
+++ b/spine/ana/diag/__init__.py
@@ -3,7 +3,7 @@
 This submodule is use to run basic diagnostics analyses such as:
 - Track dE/dx profile
 - Track energy reconstruction
-- Track completeness
+- Track Completeness
 - Shower start dE/dx
 - ...
 '''
diff --git a/spine/ana/diag/track.py b/spine/ana/diag/track.py
index 0bc721be..702489f5 100644
--- a/spine/ana/diag/track.py
+++ b/spine/ana/diag/track.py
@@ -186,4 +186,4 @@ def sequential_cluster_distances(points, labels, start_point):
             points_j = points[labels == ordered_labels[i + 1]]
             dists[i] = np.min(cdist(points_i, points_j))
             
-        return dists
+        return dists
\ No newline at end of file
diff --git a/spine/ana/factories.py b/spine/ana/factories.py
index 1bc6f45c..8ae50a4b 100644
--- a/spine/ana/factories.py
+++ b/spine/ana/factories.py
@@ -44,4 +44,4 @@ def ana_script_factory(name, cfg, overwrite=None, log_dir=None, prefix=None):
                 ANA_DICT, cfg, overwrite=overwrite, log_dir=log_dir, prefix=prefix)
     else:
         return instantiate(
-                ANA_DICT, cfg, log_dir=log_dir, prefix=prefix)
+                ANA_DICT, cfg, log_dir=log_dir, prefix=prefix)
\ No newline at end of file
diff --git a/spine/ana/script/__init__.py b/spine/ana/script/__init__.py
index e6e21890..9cffc848 100644
--- a/spine/ana/script/__init__.py
+++ b/spine/ana/script/__init__.py
@@ -4,3 +4,4 @@
 from .event import *
 from .metrics import *
 from .colinear_tracks import *
+from .fmatch_performance import *
diff --git a/spine/ana/script/fmatch_performance.py b/spine/ana/script/fmatch_performance.py
new file mode 100644
index 00000000..20a7a84c
--- /dev/null
+++ b/spine/ana/script/fmatch_performance.py
@@ -0,0 +1,219 @@
+"""Analysis module template.
+
+Evaluate performance of the fmatch algorithm for SBND.
+"""
+
+# Add the imports specific to this module here
+import numpy as np
+
+# Must import the analysis script base class
+from spine.ana.base import AnaBase
+
+# Must list the analysis script(s) here to be found by the factory.
+# You must also add it to the list of imported modules in the
+# `spine.ana.factories`!
+__all__ = ['FMatchPerformance']
+
+
+class FMatchPerformance(AnaBase):
+    """
+    Evaluate performance of the fmatch algorithm for SBND.
+    """
+
+    # Name of the analysis script (as specified in the configuration)
+    name = 'fmatch_performance'
+
+    def __init__(self, log_name, flash_tmin=-0.4, flash_tmax=1.5, flash_tolerance=0.5, **kwargs):
+        """Initialize the analysis script.
+
+        Parameters
+        ----------
+        log_name : str
+            name of the analysis script
+        flash_tmin : float, optional
+            Minimum flash time to be within beam window, by default -0.4 (us)
+        flash_tmax : float, optional
+            Maximum flash time to be within beam window, by default 1.5 (us)
+        flash_tolerance : float, optional
+            Tolerance for flash time, by default 0.5 (us)
+        """
+        # Initialize the parent class
+        super().__init__(**kwargs)
+
+        # Initialize the CSV writer(s) you want
+        self.log_name = log_name
+        self.initialize_writer(f'{log_name}_fmatch_performance')
+
+        # Add additional required data products
+        self.update_keys({'interaction_matches_t2r': True}) 
+        self.update_keys({'interaction_matches_t2r_overlap': True}) 
+
+        self.update_keys({'interaction_matches_r2t': True}) 
+        self.update_keys({'interaction_matches_r2t_overlap': True}) 
+        
+        # Initialize the flash time window
+        self.flash_tmin = flash_tmin
+        self.flash_tmax = flash_tmax
+        self.flash_tolerance = flash_tolerance
+
+    def process(self, data):
+        """Pass data products corresponding to one entry through the analysis.
+
+        Parameters
+        ----------
+        data : dict
+            Dictionary of data products
+        """
+        # Fetch the keys you want
+        interaction_matches_r2t = data['interaction_matches_r2t']
+        interaction_matches_t2r = data['interaction_matches_t2r']
+        
+        # Loop over matched interactions (t2r)
+        for idx, (true_inter, reco_inter) in enumerate(interaction_matches_t2r):
+        #for idx, (reco_inter, true_inter) in enumerate(interaction_matches_r2t):
+            #if true_inter == None: continue
+            #if reco_inter == None: continue
+            
+            # Storage
+            row_dict = {}
+            
+            
+            # Basic info - reco
+            if reco_inter == None:
+                row_dict['reco_interaction_id'] = -1
+                row_dict['reco_is_contained'] = False
+                row_dict['reco_is_fiducial'] = False
+                row_dict['reco_vtx_x'] = -9999
+                row_dict['reco_vtx_y'] = -9999
+                row_dict['reco_vtx_z'] = -9999
+                row_dict['reco_particle_count0'] = -1
+                row_dict['reco_particle_count1'] = -1
+                row_dict['reco_particle_count2'] = -1
+                row_dict['reco_particle_count3'] = -1
+                row_dict['reco_particle_count4'] = -1
+                row_dict['reco_flash_volume_id0'] = -1
+                row_dict['reco_flash_time0'] = -9999
+                row_dict['reco_flash_id0'] = -1
+                row_dict['reco_flash_score0'] = -9999
+                row_dict['reco_flash_volume_id1'] = -1
+                row_dict['reco_flash_time1'] = -9999
+                row_dict['reco_flash_id1'] = -1
+                row_dict['reco_flash_score1'] = -9999
+                row_dict['reco_flash_total_pe'] = -1
+                row_dict['reco_flash_hypo_pe'] = -1
+                row_dict['reco_reduced_flash_score'] = -9999
+                row_dict['reco_calo_energy'] = -1
+                row_dict['reco_in_bnb'] = False
+            else:
+                row_dict['reco_interaction_id'] = reco_inter.id
+                row_dict['reco_is_contained'] = reco_inter.is_contained
+                row_dict['reco_is_fiducial'] = reco_inter.is_fiducial
+                row_dict['reco_vtx_x'] = reco_inter.vertex[0]
+                row_dict['reco_vtx_y'] = reco_inter.vertex[1]
+                row_dict['reco_vtx_z'] = reco_inter.vertex[2]
+                row_dict['reco_particle_count0'] = reco_inter.particle_counts[0]
+                row_dict['reco_particle_count1'] = reco_inter.particle_counts[1]
+                row_dict['reco_particle_count2'] = reco_inter.particle_counts[2]
+                row_dict['reco_particle_count3'] = reco_inter.particle_counts[3]
+                row_dict['reco_particle_count4'] = reco_inter.particle_counts[4]
+                
+                #Initialize flash info
+                for i in range(2): #2 volumes
+                    #Reco
+                    row_dict[f'reco_flash_volume_id{i}'] = -1
+                    row_dict[f'reco_flash_time{i}'] = -9999
+                    row_dict[f'reco_flash_id{i}'] = -1
+                    row_dict[f'reco_flash_score{i}'] = -9999
+                    
+                # Reco flash info
+                for i, fid in enumerate(reco_inter.flash_volume_ids):
+                    row_dict[f'reco_flash_volume_id{fid}'] = fid
+                    row_dict[f'reco_flash_time{fid}'] = reco_inter.flash_times[i]
+                    row_dict[f'reco_flash_id{fid}'] = reco_inter.flash_ids[i]
+                    row_dict[f'reco_flash_score{fid}'] = reco_inter.flash_scores[i]
+                
+                row_dict[f'reco_flash_total_pe'] = reco_inter.flash_total_pe
+                row_dict[f'reco_flash_hypo_pe'] = reco_inter.flash_hypo_pe
+                row_dict[f'reco_reduced_flash_score'] = (reco_inter.flash_total_pe - reco_inter.flash_hypo_pe) / reco_inter.flash_total_pe
+                
+                # Energy info - get KE of all reco particles
+                row_dict['reco_calo_energy'] = 0
+                for i,p in enumerate(reco_inter.particles):
+                    row_dict[f'reco_calo_energy'] += p.calo_ke
+                
+                if (row_dict['reco_flash_time0'] < (self.flash_tmax + self.flash_tolerance) and row_dict['reco_flash_time0'] > (self.flash_tmin - self.flash_tolerance))\
+                    or (row_dict['reco_flash_time1'] < (self.flash_tmax + self.flash_tolerance) and row_dict['reco_flash_time1'] > (self.flash_tmin - self.flash_tolerance)):
+                    row_dict['reco_in_bnb'] = True
+                else:    
+                    row_dict['reco_in_bnb'] = False
+                    
+                
+            
+            # Basic info - truth
+            row_dict['truth_interaction_id'] = true_inter.id
+            row_dict['truth_is_contained'] = true_inter.is_contained
+            row_dict['truth_is_fiducial'] = true_inter.is_fiducial
+            row_dict['truth_vtx_x'] = true_inter.vertex[0]
+            row_dict['truth_vtx_y'] = true_inter.vertex[1]
+            row_dict['truth_vtx_z'] = true_inter.vertex[2]
+            row_dict['truth_particle_count0'] = true_inter.particle_counts[0]
+            row_dict['truth_particle_count1'] = true_inter.particle_counts[1]
+            row_dict['truth_particle_count2'] = true_inter.particle_counts[2]
+            row_dict['truth_particle_count3'] = true_inter.particle_counts[3]
+            row_dict['truth_particle_count4'] = true_inter.particle_counts[4]
+            row_dict['truth_iscc'] = true_inter.current_type == 0
+            row_dict['truth_nu_id'] = true_inter.nu_id
+            
+            # Flash info
+            for i in range(2): #2 volumes
+                #Truth
+                row_dict[f'truth_flash_volume_id{i}'] = -1
+                row_dict[f'truth_flash_time{i}'] = -9999
+                row_dict[f'truth_flash_id{i}'] = -1
+                row_dict[f'truth_flash_score{i}'] = -9999
+            
+            # Truth flash info
+            for i, fid in enumerate(true_inter.flash_volume_ids):
+                row_dict[f'truth_flash_volume_id{fid}'] = fid
+                row_dict[f'truth_flash_time{fid}'] = true_inter.flash_times[i]
+                row_dict[f'truth_flash_id{fid}'] = true_inter.flash_ids[i]
+                #Check if the index for this score exists
+                if i < len(true_inter.flash_scores):
+                    row_dict[f'true_flash_score{fid}'] = true_inter.flash_scores[i]
+                row_dict[f'truth_flash_score{fid}'] = true_inter.flash_scores[i]
+            
+            row_dict[f'truth_flash_total_pe'] = true_inter.flash_total_pe
+            row_dict[f'truth_flash_hypo_pe'] = true_inter.flash_hypo_pe
+            row_dict[f'truth_reduced_flash_score'] = (true_inter.flash_total_pe - true_inter.flash_hypo_pe) / true_inter.flash_total_pe
+                
+            #Energy info - get E of all true particles
+            row_dict['truth_energy_init'] = 0
+            # Energy info - get KE of all true particles
+            row_dict['truth_calo_energy'] = 0
+            # Also get average time of particles
+            row_dict['truth_avg_time'] = 0
+            
+            nprim = 0
+            for i,p in enumerate(true_inter.particles):
+                row_dict[f'truth_calo_energy'] += p.calo_ke
+                row_dict['truth_energy_init'] += p.energy_init
+                if p.is_primary:
+                    row_dict[f'truth_avg_time'] += p.t*1e-3 #us
+                    nprim += 1
+            if nprim > 0:
+                row_dict['truth_avg_time'] /= nprim
+            else:
+                row_dict['truth_avg_time'] = -9999
+            
+            #Efficiency - is the flash time within the BNB window?
+            # Truth values get some slack because of the time resolution +- 0.2 us
+            if row_dict['truth_avg_time'] < (self.flash_tmax + self.flash_tolerance) and row_dict['truth_avg_time'] > (self.flash_tmin - self.flash_tolerance):
+                row_dict['truth_in_bnb'] = True
+            else:
+                row_dict['truth_in_bnb'] = False
+            
+            # Overlap
+            #overlap = data['interaction_matches_t2r_overlap'][idx]
+            #overlap = data['interaction_matches_r2t_overlap'][idx]
+            #row_dict.update({'match_overlap': overlap})
+            self.append(f'{self.log_name}_fmatch_performance', **row_dict)
\ No newline at end of file
diff --git a/spine/ana/script/save.py b/spine/ana/script/save.py
index 33e5fb0d..bbfdcc5e 100644
--- a/spine/ana/script/save.py
+++ b/spine/ana/script/save.py
@@ -167,4 +167,4 @@ def process(self, data):
 
                     row_dict = {**src_dict, **tgt_dict}
                     row_dict.update({'match_overlap': overlap})
-                    self.append(key, **row_dict)
+                    self.append(key, **row_dict)
\ No newline at end of file
diff --git a/spine/version.py b/spine/version.py
index 4c0a9992..7f684ea7 100644
--- a/spine/version.py
+++ b/spine/version.py
@@ -1,3 +1,3 @@
 """Module which stores the current software version."""
 
-__version__ = '0.2.1'
+__version__ = '0.3.0'