Ivan Venkov ha affrontato 7 avversari durante tutta la sua carriera.
| Player | Team(s) | Games |
|---|---|---|
| Gilbert Baev |
UE Varna
(BUL-2)
|
1 |
| Kaloyan Ivanov |
UE Varna
(BUL-2)
|
1 |
| Nikolay Marinov |
UE Varna
(BUL-2)
|
1 |
| Stanislav Marinov |
UE Varna
(BUL-2)
|
1 |
| Tsvetan Savov |
UE Varna
(BUL-2)
|
1 |
| Yavor Tsanev |
UE Varna
(BUL-2)
|
1 |
| Kaloyan Tsanev |
UE Varna
(BUL-2)
|
1 |