Watanabe Kouki Games
| Date | Comp | Black | White | Result | Game Result | Komi | Rating | Diff |
|---|---|---|---|---|---|---|---|---|
| 2022-12-14 | 第48期新人王戦予選 | Watanabe Kouki | Nishi Takenobu | Lose | W+R | 6.5 | 2602 | 412 |
| 2022-12-12 | 台湾棋院 VS 関西棋院若手棋士ネット対抗戦2022 | Lu Yiquan | Watanabe Kouki | Win | W+R | 6.5 | 2190 | 0 |
| 2022-10-25 | 第48期新人王戦予選 | Watanabe Kouki | Fujita Leo | Win | B+R | 6.5 | 2190 | -162 |
| 2022-08-25 | 第48期碁聖戦予選 | Watanabe Kouki | Hong Seokui | Lose | W+R | 6.5 | 2352 | -403 |
| 2021-12-16 | 第47期新人王戦予選 | Watanabe Kandai | Watanabe Kouki | Lose | B+5.5 | 6.5 | 2755 | 5 |
| 2021-11-03 | 第46期新人王戦予選 | Watanabe Kouki | Win | B+R | 6.5 | 2750 | 438 | |
| 2021-03-24 | 第77期本因坊戦予選 | Watanabe Kouki | Yu Zhengqi | Lose | W+R | 6.5 | 2312 | -72 |
| 2021-02-18 | 第46期棋聖戦予選 | Watanabe Kouki | Win | W+R | 6.5 | 2384 | 352 | |
| 2020-12-24 | 第69期王座戦予選 | Watanabe Kouki | Hong Seokui | Lose | W+R | 6.5 | 2032 | 0 |
| 2020-12-02 | 第47期天元戦予選 | Aragaki Shun | Watanabe Kouki | Win | W+0.5 | 6.5 | 2032 | 0 |
| 2020-08-20 | 第46期碁聖戦予選 | Nakano Yasuhiro | Watanabe Kouki | Lose | B+2.5 | 6.5 | 2032 | -925 |
| 2020-01-09 | 第45期新人王戦1回戦 | Sotoyanagi Sebun | Watanabe Kouki | Lose | B+R | 6.5 | 2957 | missing |