| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2011/2012 | Eredivisie | 25 | 2048 | 1 | 1 | 0.09 | — |
| 2012/2013 | Eredivisie | 19 | 1218 | 0 | 0 | 0 | — |
| 2013/2014 | Eredivisie | 16 | 1238 | 1 | 0 | 0.07 | — |
| 2014 | Allsvenskan | 13 | 1170 | 0 | 0 | 0 | — |
| 2015 | Allsvenskan | 28 | 2423 | 0 | 0 | 0 | — |
| 2016 | Allsvenskan | 21 | 1702 | 0 | 0 | 0 | — |
| 2017 | Allsvenskan | 27 | 2257 | 2 | 0 | 0.08 | — |
| 2018 | Allsvenskan | 23 | 1946 | 1 | 0 | 0.05 | — |
| 2019 | Allsvenskan | 4 | 251 | 0 | 0 | 0 | — |
| 2020 | Allsvenskan | 22 | 1626 | 0 | 2 | 0.11 | 6.83 |
| 2021 | Allsvenskan | 24 | 1887 | 1 | 1 | 0.1 | 6.97 |
| 2021/2022 | Super League (Greece) | 12 | 745 | 0 | 0 | 0 | — |
| 2022/2023 | Super League (Greece) | 27 | 1668 | 0 | 0 | 0 | 6.8 |
| 2023 | Allsvenskan | 9 | 455 | 1 | 0 | 0.2 | 6.68 |
| 2024 | Superettan | 21 | 1323 | — | 2 | 0.14 | — |
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 2026-09-01
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 FC Twente | 7 | 1 | 2 | 4 | 0 | 0 | 1 | 0 |
 NAC Breda | 6 | 2 | 2 | 2 | 0 | 0 | 1 | 0 |
 AZ | 5 | 3 | 0 | 2 | 0 | 0 | 1 | 0 |
 Feyenoord | 5 | 0 | 2 | 3 | 0 | 0 | 0 | 0 |
 NEC Nijmegen | 5 | 0 | 2 | 3 | 0 | 0 | 0 | 0 |
 RKC Waalwijk | 5 | 4 | 0 | 1 | 1 | 0 | 0 | 0 |
 SC Heerenveen | 5 | 4 | 0 | 1 | 0 | 0 | 2 | 0 |
 Heracles Almelo | 5 | 2 | 2 | 1 | 0 | 0 | 1 | 0 |
 FC Groningen | 5 | 4 | 0 | 1 | 1 | 0 | 0 | 0 |
 OFI | 4 | 3 | 0 | 1 | 0 | 0 | 0 | 0 |
 PAS Giannina | 4 | 1 | 1 | 2 | 0 | 0 | 0 | 0 |
 Ajax | 4 | 1 | 2 | 1 | 0 | 0 | 1 | 0 |
 PSV | 4 | 0 | 1 | 3 | 0 | 0 | 1 | 0 |
 ADO Den Haag | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 0 |
 Asteras Tripolis | 4 | 0 | 3 | 1 | 0 | 0 | 1 | 0 |
 Ionikos | 4 | 2 | 1 | 1 | 0 | 0 | 1 | 0 |
 Volos NFC | 4 | 1 | 2 | 1 | 0 | 0 | 0 | 0 |
 Panathinaikos | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 Vitesse | 3 | 0 | 0 | 3 | 0 | 0 | 0 | 0 |
 Djurgården | 3 | 0 | 0 | 3 | 0 | 0 | 2 | 0 |
Player stats against each opponent national team
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Côte d'Ivoire | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
 Finland | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 |
The 2024 Superettan brought Johan Martensson 21 appearances (1,323 minutes).
His best-rated season remains 2021 (6.97, Allsvenskan); his lowest was 2023 (6.68). The direction of late is downward — 0.16 under his prior average over the last two rated seasons.
