| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2013/2014 | Liga Portugal 2 | 14 | — | 5 | 0 | — | — |
| 2014/2015 | Liga Portugal | 22 | 687 | 1 | 0 | 0.13 | — |
| 2015/2016 | Liga Portugal | 22 | 1575 | 4 | 0 | 0.23 | 6.99 |
| 2016/2017 | Liga Portugal | 22 | 1304 | 1 | 0 | 0.07 | 6.73 |
| 2017/2018 | Liga Portugal | 14 | 607 | 0 | 0 | 0 | 6.68 |
| 2017/2018 | Super League (Greece) | 6 | 273 | 1 | 0 | 0.33 | — |
| 2018/2019 | Super League (Greece) | 22 | 1727 | 3 | 2 | 0.26 | — |
| 2019 | K League 2 | 25 | 1782 | 8 | 0 | 0.4 | — |
| 2020 | K League 1 | 17 | 1316 | 5 | 3 | 0.55 | 6.95 |
| 2021 | K League 2 | 27 | 2158 | 11 | 2 | 0.54 | 7.11 |
| 2022 | K League 2 | 27 | 1961 | 13 | 6 | 0.87 | — |
| 2023 | K League 1 | 33 | 1665 | 8 | 3 | 0.59 | 6.97 |
| 2024 | K League 1 | 23 | 830 | 4 | 0 | 0.43 | 6.99 |
| 2025 | K League 1 | 18 | 865 | 8 | 3 | 1.14 | 6.62 |
| 2026 | K League 2 | 10 | 661 | 5 | 0 | 0.68 | 6.77 |
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 | ||
|---|---|---|---|---|---|---|---|---|
 Sporting CP | 7 | 0 | 2 | 5 | 0 | 0 | 0 | 0 |
 Paços de Ferreira | 7 | 3 | 2 | 2 | 0 | 0 | 0 | 0 |
 Ulsan HD | 7 | 2 | 2 | 3 | 2 | 1 | 1 | 0 |
 Boavista | 6 | 3 | 2 | 1 | 0 | 0 | 0 | 1 |
 Estoril | 6 | 2 | 2 | 2 | 0 | 0 | 0 | 0 |
 Arouca | 6 | 2 | 3 | 1 | 0 | 0 | 0 | 0 |
 Gwangju | 6 | 1 | 0 | 5 | 1 | 0 | 1 | 0 |
 Marítimo | 6 | 4 | 2 | 0 | 2 | 0 | 2 | 0 |
 Rio Ave | 6 | 1 | 2 | 3 | 1 | 0 | 2 | 0 |
 Belenenses | 5 | 0 | 3 | 2 | 0 | 0 | 0 | 0 |
 Porto | 5 | 0 | 1 | 4 | 1 | 0 | 0 | 0 |
 Vitória Guimarães | 5 | 1 | 1 | 3 | 0 | 0 | 0 | 0 |
 Sporting Braga | 5 | 1 | 2 | 2 | 1 | 0 | 2 | 0 |
 Moreirense | 5 | 0 | 2 | 3 | 0 | 0 | 0 | 0 |
 Vitória FC | 5 | 1 | 2 | 2 | 0 | 0 | 1 | 0 |
 Daegu | 5 | 1 | 2 | 2 | 1 | 1 | 0 | 0 |
 Gangwon | 5 | 3 | 1 | 1 | 0 | 0 | 1 | 0 |
 Benfica | 4 | 0 | 0 | 4 | 0 | 0 | 0 | 0 |
 Suwon | 4 | 3 | 1 | 0 | 1 | 0 | 1 | 0 |
 Pohang Steelers | 4 | 2 | 1 | 1 | 2 | 0 | 0 | 0 |
Willyan scored 5 goals in 10 K League 2 appearances in 2026 (661 minutes), without an assist — 0.68 goal involvements per 90. GioScore's computed rating for the season averages 6.77.
His ratings range from 6.62 (2025) up to 7.11 in 2021, K League 2. The direction of late is downward — 0.22 under his prior average over the last two rated seasons.
