Riku Kumagai trails the series against
Yuuki Ichikawa, 2-4.
| event |
round |
table |
player one |
result |
player two |
| Grand Prix Kobe 2015 | 10 | 101 | Kumagai, Riku (1809) | Won 2-1 | Ichikawa, Yuuki (1839) |
| Pro Tour Amonkhet | 13 | 69 | Kumagai, Riku (2132) | Lost 1-2 | Ichikawa, Yuuki (2111) |
| Grand Prix Taipei 2019 | 10 | 5 | Kumagai, Riku (2167) | Lost 0-2 | Ichikawa, Yuuki (1965) |
| Innistrad Championship | 9 | 2 | Kumagai, Riku (2251) | Lost 0-2 | Ichikawa, Yuuki (1994) |
| Innistrad Championship | US | | Kumagai, Riku (2256) | Won 2-0 | Ichikawa, Yuuki (2076) |
| Innistrad Championship | LF | | Kumagai, Riku (2249) | Lost 0-2 | Ichikawa, Yuuki (2079) |