| Month | Matches | Mins | G | A | G+A | G/M | Rating |
|---|---|---|---|---|---|---|---|
Dec 2025 | 1 | 90 | 0 | 0 | 0 | 0.00 | - |
Nov 2025 | 2 | 180 | 0 | 0 | 0 | 0.00 | 6.84 |
Oct 2025 | 3 | 270 | 0 | 0 | 0 | 0.00 | 7.00 |
Sep 2025 | 2 | 180 | 1 | 0 | 1 | 0.50 | - |
Aug 2025 | 3 | 220 | 0 | 0 | 0 | 0.00 | 6.23 |
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 FC Tokyo | 6 | 2 | 2 | 2 | 0 | 0 | 1 | 0 |
 Yokohama | 4 | 2 | 0 | 2 | 0 | 0 | 0 | 0 |
 Sanfrecce Hiroshima | 4 | 1 | 0 | 3 | 0 | 0 | 0 | 0 |
 Avispa Fukuoka | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Shimizu S-Pulse | 3 | 1 | 0 | 2 | 0 | 0 | 1 | 0 |
 Kawasaki Frontale | 3 | 0 | 1 | 2 | 1 | 0 | 1 | 0 |
 Fagiano Okayama | 3 | 1 | 1 | 1 | 0 | 0 | 2 | 0 |
 Kashiwa Reysol | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Sagan Tosu | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Tokyo Verdy | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Kyoto Sanga | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Albirex Niigata | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Cerezo Osaka | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Kashima Antlers | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Vissel Kobe | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Júbilo Iwata | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Machida Zelvia | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Gamba Osaka | 2 | 0 | 1 | 1 | 0 | 0 | 1 | 1 |
 Urawa Reds | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Tokushima Vortis | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
Koki Tachi plays as a defender for Shonan Bellmare. Koki Tachi has scored 1 goals in 52 professional appearances. In the J-League 2025, Koki Tachi has scored 1 goals in 25 appearances, earning an average rating of 7.2. Koki Tachi brings experience and reliability to the backline with 52 professional appearances under his belt. Koki Tachi stands 173 cm tall, weighs 73 kg.
