Leszek Stalmach games refereed
| date | competition | season | team | score | team | venue | attendance | sources |
|---|---|---|---|---|---|---|---|---|
| June 15, 2016 | USOC | 2016 | Houston Dynamo | 4 - 0 | San Antonio FC | BBVA Compass Stadium | 5807 | 2 |
| May 20, 2015 | USOC | 2015 | Midland-Odessa Sockers | 1 - 3 | Oklahoma City Energy | Grande Communications Stadium | 545 | 1 |
| May 19, 2012 | NASL2 | 2012 | FC Edmonton | 0 - 2 | San Antonio Scorpions | Heroes Stadium | 8310 | 1 |