Matches Sergii Boiko (R) worked involving San Jose Earthquakes.
4 matches
| Date | Round | Home | Score | Away | Referee | Fouls | YC | RC | PEN |
|---|---|---|---|---|---|---|---|---|---|
| 2025-08-23 7:30 PM CDT | Reg | HOU | 1–2 | SJ | Sergii Boiko | 20 | 5 | 0 | 0 |
| 2025-03-01 7:30 PM CST | Reg | SKC | 1–2 | SJ | Sergii Boiko | 28 | 5+1 | 1 | 1 |
| 2024-06-22 7:30 PM PDT | Reg | LAFC | 6–2 | SJ | Sergii Boiko | 9 | 1 | 0 | 0 |
| 2023-06-03 7:30 PM MDT | Reg | COL | 0–0 | SJ | Sergii Boiko | 17 | 2+1 | 1 | 1 |
4 matches
Includes at least one match with a substitution involving the named official. Appearances are credited by starting position; cards are credited to the official who issued them, so the two can differ.
This match had a mid-match referee substitution.
This website’s default convention is for yellow card counts and per-match averages to exclude yellow cards which triggered a player’s expulsion for receiving a second caution in the same match. When this toggle is active, those values are adjusted to include such yellow cards.