| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2017/2018 | National 3: Group I | 6 | 361 | 1 | 0 | 0.25 | — |
| 2017/2018 | National 3: Group G | 12 | 846 | 1 | 0 | 0.11 | — |
| 2018/2019 | Ligue 2 | 3 | 158 | 0 | 0 | 0 | 6.63 |
| 2018/2019 | National 3: Group I | 12 | 846 | 1 | 0 | 0.11 | — |
| 2018/2019 | National 3: Group G | 14 | 958 | 1 | 0 | 0.09 | — |
| 2019/2020 | National | 7 | 630 | 0 | 0 | 0 | — |
| 2020/2021 | Ligue 2 | 30 | 2147 | 4 | 0 | 0.17 | 7.12 |
| 2020/2021 | National 3: Group I | 1 | 90 | 0 | 0 | 0 | — |
| 2021/2022 | Ligue 2 | 20 | 1374 | 1 | 0 | 0.07 | 7.04 |
| 2021/2022 | National 3: Group I | 1 | 90 | 0 | 0 | 0 | — |
| 2023/2024 | Ligue 2 | 37 | 2952 | 3 | 3 | 0.18 | 7.42 |
| 2024/2025 | Ligue 2 | 2 | 161 | 0 | 1 | 0.56 | 7.4 |
| 2024/2025 | 2. Bundesliga | 24 | 1561 | 2 | 0 | 0.12 | 7.08 |
| 2025/2026 | 2. Bundesliga | 3 | 49 | 0 | 0 | — | 6.46 |
| 2025/2026 | Ligue 2 | 27 | 2163 | 1 | 2 | 0.12 | 7.07 |
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 2026-08-17
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Pau | 6 | 3 | 1 | 2 | 1 | 0 | 3 | 0 |
 Ajaccio | 4 | 2 | 0 | 2 | 1 | 0 | 0 | 0 |
 Grenoble Foot 38 | 4 | 3 | 1 | 0 | 0 | 0 | 1 | 0 |
 Dunkerque | 4 | 1 | 1 | 2 | 0 | 0 | 2 | 0 |
 Guingamp | 4 | 0 | 2 | 2 | 0 | 0 | 0 | 0 |
 Troyes | 4 | 2 | 0 | 2 | 0 | 0 | 1 | 0 |
 Saint-Étienne | 3 | 1 | 0 | 2 | 0 | 0 | 1 | 0 |
 Bastia | 3 | 2 | 1 | 0 | 1 | 0 | 2 | 0 |
 Laval | 3 | 1 | 1 | 1 | 0 | 0 | 3 | 0 |
 Boulogne | 3 | 1 | 1 | 1 | 1 | 0 | 0 | 0 |
 Paderborn | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
 Rodez | 3 | 0 | 3 | 0 | 0 | 0 | 0 | 0 |
 Schalke 04 | 2 | 1 | 1 | 0 | 0 | 0 | 2 | 0 |
 Amiens SC | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Nürnberg | 2 | 0 | 2 | 0 | 0 | 0 | 1 | 0 |
 Chambly | 2 | 0 | 2 | 0 | 1 | 0 | 0 | 0 |
 Annecy | 2 | 0 | 0 | 2 | 0 | 0 | 1 | 0 |
 Quevilly Rouen | 2 | 0 | 1 | 1 | 0 | 1 | 0 | 0 |
 Karlsruher SC | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 0 |
 Hertha BSC | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
Giovanni Haag closed the 2025/2026 Ligue 2 campaign on 1 goal and 2 assists from 27 outings (2,163 minutes) — 0.12 goal involvements per 90. That season graded out at an average match rating of 7.07.
2023/2024 stands as his highest-rated season (7.42, Ligue 2), with 2021/2022 the weakest (7.04).
