| 2021-12-04 | Sagan TosuvVissel KobeJ1 League · Japan | 0–2 | J1 League · Japan |
| 2021-11-27 | Kashima AntlersvSagan TosuJ1 League · Japan | 1–0 | J1 League · Japan |
| 2021-11-20 | Sagan TosuvHokkaido Consadole SapporoJ1 League · Japan | 1–0 | J1 League · Japan |
| 2021-11-07 | Sagan TosuvKawasaki FrontaleJ1 League · Japan | 3–1 | J1 League · Japan |
| 2021-11-03 | Yokohama FCvSagan TosuJ1 League · Japan | 0–0 | J1 League · Japan |
| 2021-10-23 | Gamba OsakavSagan TosuJ1 League · Japan | 1–0 | J1 League · Japan |
| 2021-10-16 | Sagan TosuvShonan BellmareJ1 League · Japan | 1–1 | J1 League · Japan |
| 2021-10-03 | TokushimavSagan TosuJ1 League · Japan | 3–0 | J1 League · Japan |
| 2021-09-25 | Avispa FukuokavSagan TosuJ1 League · Japan | 3–0 | J1 League · Japan |
| 2021-09-18 | Sagan TosuvOita TrinitaJ1 League · Japan | 0–0 | J1 League · Japan |
| 2021-09-11 | Sagan TosuvShimizu S-PulseJ1 League · Japan | 2–1 | J1 League · Japan |
| 2021-08-29 | Vegalta SendaivSagan TosuJ1 League · Japan | 0–1 | J1 League · Japan |
| 2021-08-25 | Sagan TosuvYokohama F. MarinosJ1 League · Japan | 0–4 | J1 League · Japan |
| 2021-08-21 | Kashiwa ReysolvSagan TosuJ1 League · Japan | 1–3 | J1 League · Japan |
| 2021-08-14 | Urawa RedsvSagan TosuJ1 League · Japan | 2–1 | J1 League · Japan |
| 2021-08-09 | Sagan TosuvFC TokyoJ1 League · Japan | 1–0 | J1 League · Japan |
| 2021-07-24 | Sagan TosuvCerezo OsakaJ1 League · Japan | 3–3 | J1 League · Japan |
| 2021-07-17 | Sagan TosuvNagoya GrampusJ1 League · Japan | 3–1 | J1 League · Japan |
| 2021-07-03 | Sanfrecce HiroshimavSagan TosuJ1 League · Japan | 1–1 | J1 League · Japan |
| 2021-06-23 | Yokohama F. MarinosvSagan TosuJ1 League · Japan | 2–0 | J1 League · Japan |
| 2021-05-30 | Vissel KobevSagan TosuJ1 League · Japan | 1–1 | J1 League · Japan |
| 2021-05-26 | Hokkaido Consadole SapporovSagan TosuJ1 League · Japan | 0–0 | J1 League · Japan |
| 2021-05-22 | Sagan TosuvKashima AntlersJ1 League · Japan | 2–1 | J1 League · Japan |
| 2021-05-15 | Oita TrinitavSagan TosuJ1 League · Japan | 1–1 | J1 League · Japan |
| 2021-05-08 | Sagan TosuvSanfrecce HiroshimaJ1 League · Japan | 0–0 | J1 League · Japan |
| 2021-05-01 | Sagan TosuvTokushimaJ1 League · Japan | 2–0 | J1 League · Japan |
| 2021-04-24 | FC TokyovSagan TosuJ1 League · Japan | 1–2 | J1 League · Japan |
| 2021-04-18 | Nagoya GrampusvSagan TosuJ1 League · Japan | 1–2 | J1 League · Japan |
| 2021-04-14 | Sagan TosuvGamba OsakaJ1 League · Japan | 0–1 | J1 League · Japan |
| 2021-04-11 | Sagan TosuvYokohama FCJ1 League · Japan | 3–0 | J1 League · Japan |
| 2021-04-07 | Kawasaki FrontalevSagan TosuJ1 League · Japan | 1–0 | J1 League · Japan |
| 2021-04-02 | Cerezo OsakavSagan TosuJ1 League · Japan | 1–0 | J1 League · Japan |
| 2021-03-21 | Sagan TosuvAvispa FukuokaJ1 League · Japan | 0–0 | J1 League · Japan |
| 2021-03-17 | Sagan TosuvKashiwa ReysolJ1 League · Japan | 2–0 | J1 League · Japan |
| 2021-03-14 | Shimizu S-PulsevSagan TosuJ1 League · Japan | 0–0 | J1 League · Japan |
| 2021-03-10 | Sagan TosuvVegalta SendaiJ1 League · Japan | 5–0 | J1 League · Japan |
| 2021-03-06 | Sagan TosuvUrawa RedsJ1 League · Japan | 2–0 | J1 League · Japan |
| 2021-02-27 | Shonan BellmarevSagan TosuJ1 League · Japan | 0–1 | J1 League · Japan |