| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| — | First League | 2 | 116 | 0 | 0 | 0 | 6.5 |
| 2014/2015 | First League | 7 | 270 | 3 | 0 | 1 | — |
| 2015/2016 | First League | 2 | 24 | 0 | 0 | — | — |
| 2016/2017 | First League | 21 | 1045 | 2 | 0 | 0.17 | — |
| 2017/2018 | First League | 30 | 2073 | 4 | 2 | 0.26 | — |
| 2018/2019 | First League | 18 | 1572 | 7 | 3 | 0.57 | — |
| 2018/2019 | 1. HNL | 13 | 745 | 4 | 0 | 0.48 | — |
| 2019/2020 | 1. HNL | 23 | 1540 | 4 | 0 | 0.23 | — |
| 2020/2021 | First League | 10 | 396 | 6 | 0 | 1.36 | — |
| 2021/2022 | First League | 18 | 1301 | 5 | 1 | 0.42 | — |
| 2022 | Super League (China) | 19 | 1180 | 7 | 0 | 0.53 | 7.02 |
| 2023 | Super League (China) | 27 | 2055 | 4 | 4 | 0.35 | 7.39 |
| 2023/2024 | First League | 15 | 1063 | 2 | 2 | 0.34 | 7.73 |
| 2024/2025 | First League | 37 | 3114 | 4 | 14 | 0.52 | 6.92 |
| 2025/2026 | First League | 30 | 1784 | 3 | 5 | 0.4 | 6.62 |
Domestic league competitions only (SportMonks sub_type='domestic'); national-team, continental and cup competitions are excluded. Classification resolved by league id against the canonical leagues index. G+A/90 computed from minutes actually played.
Figures computed from the GioScore season-stats database · as of 2026-07-26
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 CSKA Sofia | 8 | 3 | 0 | 5 | 1 | 0 | 1 | 0 |
 Botev Plovdiv | 7 | 4 | 2 | 1 | 1 | 0 | 3 | 0 |
 Ludogorets | 7 | 2 | 2 | 3 | 1 | 1 | 1 | 0 |
 Levski Sofia | 7 | 0 | 2 | 5 | 0 | 0 | 1 | 0 |
 Cherno More | 7 | 1 | 3 | 3 | 0 | 1 | 0 | 0 |
 Slavia Sofia | 6 | 4 | 2 | 0 | 0 | 2 | 1 | 0 |
 Botev Vratsa | 6 | 3 | 2 | 1 | 1 | 1 | 4 | 0 |
 Lokomotiv Plovdiv | 5 | 3 | 0 | 2 | 1 | 0 | 0 | 0 |
 Spartak Varna | 4 | 1 | 2 | 1 | 0 | 1 | 1 | 0 |
 Lokomotiv Sofia 1929 | 4 | 4 | 0 | 0 | 1 | 5 | 0 | 0 |
 Septemvri Sofia | 4 | 4 | 0 | 0 | 1 | 2 | 0 | 0 |
 Beroe | 3 | 2 | 1 | 0 | 2 | 1 | 1 | 0 |
 Topoľčany | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 Hebar 1918 | 3 | 2 | 0 | 1 | 1 | 1 | 3 | 0 |
 CSKA 1948 Sofia | 3 | 2 | 1 | 0 | 0 | 2 | 1 | 0 |
 Levski Krumovgrad | 3 | 1 | 2 | 0 | 0 | 2 | 1 | 0 |
 Shandong Taishan | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Tianjin Jinmen Tiger | 2 | 0 | 0 | 2 | 0 | 0 | 1 | 0 |
 Beijing Guoan | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Zhejiang | 2 | 0 | 0 | 2 | 0 | 0 | 1 | 0 |
Player stats against each opponent national team
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Qatar | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Croatia | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Ukraine | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Georgia | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
 Northern Ireland | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Switzerland | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
Borislav Tsonev's 2025/2026 First League season produced 3 goals and 5 assists across 30 appearances (1,784 minutes) — 0.4 goal involvements per 90. GioScore's computed rating for the season averages 6.62.
Season ratings peak at 7.73 in 2023/2024, First League and bottom out at 6.62 in 2025/2026. His last two rated seasons average 0.61 below his earlier career level.
