| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2022/2023 | U19 Bundesliga | 4 | 180 | 0 | 0 | 0 | — |
| 2023/2024 | Bundesliga | 2 | 104 | 0 | 1 | 0.87 | 6.97 |
| 2023/2024 | U19 Bundesliga | 1 | — | 12 | 0 | — | — |
| 2024/2025 | Bundesliga | 2 | 15 | 0 | 0 | — | 6.53 |
| 2024/2025 | 3. Liga | 18 | 1326 | 5 | 0 | 0.34 | 6.75 |
| 2025/2026 | 2. Bundesliga | 26 | 1252 | 2 | 0 | 0.14 | 6.65 |
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 | ||
|---|---|---|---|---|---|---|---|---|
 FC Barcelona | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 FC Augsburg | 3 | 2 | 0 | 1 | 0 | 1 | 1 | 0 |
 VfB Stuttgart | 3 | 0 | 0 | 3 | 0 | 0 | 0 | 0 |
 Holstein Kiel | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Schalke 04 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Darmstadt 98 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Hansa Rostock | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Paris Saint Germain | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 PSV | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Nürnberg | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Dynamo Dresden | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Fortuna Düsseldorf | 2 | 0 | 0 | 2 | 0 | 0 | 1 | 0 |
 Saarbrücken | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Kaiserslautern | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Paderborn | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Rot-Weiss Essen | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Heidenheim | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 DSC Arminia Bielefeld | 2 | 1 | 0 | 1 | 0 | 0 | 1 | 0 |
 Hertha BSC | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Bayer 04 Leverkusen | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
Player stats against each opponent national team
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Norway U19 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Italy U20 | 1 | 1 | 0 | 0 | 0 | 2 | 0 | 0 |
 Poland U17 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Poland U20 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Scotland U17 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
 Switzerland U17 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Portugal U17 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Across 26 2. Bundesliga appearances in 2025/2026 (1,252 minutes), Kjell Wätjen scored 2 goals but did not register an assist — 0.14 goal involvements per 90. Per-match rating over the season: 6.65.
Season ratings peak at 6.75 in 2024/2025, 3. Liga and bottom out at 6.65 in 2025/2026.
