Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Marek | 3 | 2 | 0 | 1 | 0 | 0 | 1 | 0 |
 Slavia Sofia | 2 | 1 | 0 | 1 | 0 | 0 | 1 | 0 |
 Astana | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Zrinjski | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Lovech | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Pirin Gotse Delchev | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 CSKA Sofia | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Levski Sofia | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 VfB Stuttgart | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Botev Vratsa | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Chernomoretz Burgas | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
 Minyor Pernik | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Lokomotiv Sofia 1929 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Botev Galabovo | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Tsarsko selo | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
 Lyubimets | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Pomorie | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Svetkavitsa | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Sayana Haskovo | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Kostadin Dyakov is a professional midfielder. Kostadin Dyakov has scored 2 goals in 59 professional appearances across 2 clubs. Among the clubs he has represented — Montana, Slavia Sofia — Kostadin Dyakov was most prolific at Slavia Sofia, where he scored 1 goals in 34 appearances.
