| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2013/2014 | CFA Group D | 27 | 1620 | 0 | 0 | 0 | — |
| 2015/2016 | CFA Group D | 2 | — | 0 | 0 | — | — |
| 2016/2017 | National | 20 | 1710 | 2 | 0 | 0.11 | — |
| 2017/2018 | National | 29 | 2300 | 0 | 0 | 0 | — |
| 2018/2019 | National | 22 | 1732 | 1 | 0 | 0.05 | — |
| 2019/2020 | National | 21 | 1890 | 3 | 0 | 0.14 | — |
| 2020/2021 | National | 30 | 2700 | 1 | 0 | 0.03 | — |
| 2021/2022 | National | 34 | 3060 | 2 | 0 | 0.06 | — |
| 2022/2023 | National | 24 | 1886 | 1 | 0 | 0.05 | — |
| 2023/2024 | Ligue 2 | 33 | 2967 | 0 | 0 | 0 | 7.17 |
| 2024/2025 | National | 29 | 2535 | 0 | 1 | 0.04 | 6.73 |
| 2025/2026 | National | 31 | 2790 | 1 | 1 | 0.06 | 6.49 |
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 2026-08-16
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Orléans | 7 | 3 | 2 | 2 | 0 | 0 | 0 | 0 |
 Quevilly Rouen | 6 | 3 | 1 | 2 | 0 | 0 | 0 | 0 |
 Villefranche | 6 | 1 | 4 | 1 | 0 | 0 | 2 | 0 |
 Châteauroux | 5 | 1 | 1 | 3 | 0 | 0 | 0 | 0 |
 Laval | 5 | 2 | 1 | 2 | 1 | 0 | 1 | 0 |
 Boulogne | 5 | 1 | 2 | 2 | 0 | 0 | 1 | 0 |
 Bourg-en-Bresse | 5 | 2 | 1 | 2 | 0 | 0 | 1 | 0 |
 Versailles | 5 | 3 | 0 | 2 | 0 | 0 | 0 | 0 |
 Valenciennes | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 0 |
 Dijon | 4 | 1 | 1 | 2 | 0 | 0 | 0 | 0 |
 Le Puy-en-Velay | 4 | 1 | 1 | 2 | 0 | 0 | 0 | 0 |
 Le Mans | 4 | 2 | 0 | 2 | 0 | 1 | 1 | 0 |
 Aubagne | 4 | 2 | 2 | 0 | 0 | 0 | 1 | 0 |
 Stade Briochin | 4 | 1 | 2 | 1 | 1 | 0 | 0 | 0 |
 Bastia-Borgo | 4 | 2 | 2 | 0 | 0 | 0 | 0 | 0 |
 Paris 13 Atletico | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 0 |
 Sochaux | 3 | 0 | 1 | 2 | 0 | 0 | 1 | 0 |
 Cholet | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
 Avranches | 3 | 2 | 1 | 0 | 1 | 0 | 0 | 0 |
 Les Herbiers | 3 | 0 | 1 | 2 | 0 | 0 | 1 | 0 |
Across 31 National appearances in 2025/2026, Guillaume Jannez contributed 1 goal plus 1 assist (2,790 minutes) — 0.06 goal involvements per 90. GioScore's computed rating for the season averages 6.49.
Between 2013 and 2025 he accumulated 12 league seasons, all with a single club. Season ratings peak at 7.17 in 2023/2024, Ligue 2 and bottom out at 6.49 in 2025/2026.
