| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2021/2022 | Eerste Divisie | 3 | 233 | 0 | 0 | 0 | 7.65 |
| 2022/2023 | Eerste Divisie | 36 | 2872 | 1 | 2 | 0.09 | 7.17 |
| 2023/2024 | Eerste Divisie | 23 | 2043 | 0 | 0 | 0 | 7.21 |
| 2024/2025 | Eerste Divisie | 1 | 28 | 0 | 0 | — | 6.83 |
| 2024/2025 | Eredivisie | 20 | 1124 | 1 | 0 | 0.08 | 6.95 |
| 2025/2026 | Eredivisie | 28 | 1857 | 0 | 2 | 0.1 | 6.58 |
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 2026-07-27
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 NEC Nijmegen | 5 | 0 | 2 | 3 | 0 | 0 | 0 | 0 |
 Heracles Almelo | 5 | 2 | 0 | 3 | 0 | 0 | 1 | 0 |
 AZ | 4 | 1 | 1 | 2 | 0 | 0 | 1 | 0 |
 FC Twente | 4 | 1 | 3 | 0 | 0 | 0 | 1 | 0 |
 Ajax | 4 | 0 | 1 | 3 | 0 | 0 | 0 | 0 |
 NAC Breda | 4 | 1 | 2 | 1 | 0 | 0 | 0 | 0 |
 PSV | 4 | 1 | 0 | 3 | 0 | 0 | 0 | 0 |
 FC Utrecht | 4 | 1 | 2 | 1 | 0 | 0 | 0 | 0 |
 Sparta Rotterdam | 4 | 2 | 2 | 0 | 1 | 0 | 0 | 0 |
 SC Heerenveen | 4 | 1 | 2 | 1 | 0 | 0 | 0 | 0 |
 FC Groningen | 4 | 0 | 3 | 1 | 0 | 0 | 0 | 0 |
 Go Ahead Eagles | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Fortuna Sittard | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
 Excelsior | 3 | 1 | 2 | 0 | 0 | 0 | 0 | 0 |
 FC Volendam | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Feyenoord | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 FC Eindhoven | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Willem II | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 PEC Zwolle | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
 Almere City | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
28 Eredivisie appearances in 2025/2026 brought Olivier Aertssen 2 assists, though no goals (1,857 minutes) — 0.1 goal involvements per 90. His average match rating for that season computes to 6.58.
No season rated higher than 2023/2024 (7.21, Eerste Divisie); none lower than 2025/2026 (6.58). The direction of late is downward — 0.42 under his prior average over the last two rated seasons.
