| World Championship of Ping Pong 2020 | 2020/01/25 19:01 | Rumgay, Gavin v Tomas Sadilek | W | 2-1 |
| North American Open | 2019/12/06 22:05 | Darko Jorgic v Rumgay, Gavin | L | 4-0 |
| Thailand Open | 2019/05/24 11:20 | Seo, Hyundeok v Rumgay, Gavin | L | 4-0 |
| Croatia Open | 2019/05/15 07:40 | Rumgay, Gavin v Friedrich, Christian | W | 3-0 |
| Croatia Open | 2019/05/14 13:00 | Rumgay, Gavin v Putuntica, Andrei | W | 3-2 |
| World Championship | 2019/04/23 11:20 | Kristian Karlsson v Rumgay, Gavin | L | 4-3 |
| République tchèque - Extraleague | 2019/02/13 14:20 | Sun, W. v Rumgay, Gavin | L | 4-0 |
| République tchèque - Extraleague | 2019/01/27 12:10 | Rumgay, Gavin v Hu Junchao | L | 0-2 |
| République tchèque - Extraleague | 2019/01/27 14:30 | Benjamin Sorensen v Anton Anderson | L | 1-2 |