Hao-Shan Huang trails the series against
Yuuya Watanabe, 2-4.
| event |
round |
table |
player one |
result |
player two |
| Grand Prix Bangkok 2009 | 9 | 29 | Huang, Hao-Shan (1650) | Lost 0-2 | Watanabe, Yuuya (1866) |
| Grand Prix Yokohama 2010 | 7 | 25 | Huang, Hao-Shan (1619) | Lost 1-2 | Watanabe, Yuuya (1978) |
| Grand Prix Manila 2012 | 10 | 9 | Huang, Hao-Shan (1849) | Lost 1-2 | Watanabe, Yuuya (2193) |
| Grand Prix Shanghai 2012 | 15 | 13 | Huang, Hao-Shan (1856) | Won 2-0 | Watanabe, Yuuya (2199) |
| Grand Prix Chiba 2015 | 9 | 2001 | Huang, Hao-Shan (1862) | Won 2-1 | Watanabe, Yuuya (2162) |
| Grand Prix Shizuoka 2018 (standard) | 7 | 242 | Huang, Hao-Shan (1848) | Lost 1-2 | Watanabe, Yuuya (2118) |