Matchup lab
Head to head
Search by first name, last name, full name, or USATT member ID, then compare shared results.
Shared match ledger
5 decisive meetings
| Date | Winner | Loser | Opening ratings | Score |
|---|---|---|---|---|
| Jul 22, 2007 | Mumah, Derrick | George Cooper | 2,110 / 1,957 | -8, 5, 8, 4 |
| Apr 14, 2007 | George Cooper | Mumah, Derrick | 1,911 / 2,136 | 8, 9, -4, -9, 9 |
| Jul 16, 2006 | Mumah, Derrick | George Cooper | 2,137 / 2,048 | 7, 11, 10 |
| Jul 17, 2005 | Mumah, Derrick | George Cooper | 2,117 / 2,072 | -8, 10, 10, 4 |
| Jun 6, 2004 | Mumah, Derrick | George Cooper | 2,112 / 2,151 | 4, 10, 4 |