Matchup lab
Head to head
Search by first name, last name, full name, or USATT member ID, then compare shared results.
Shared match ledger
15 decisive meetings
| Date | Winner | Loser | Opening ratings | Score |
|---|---|---|---|---|
| Oct 5, 2008 | Van Dusen, Philip | Nobuhiko Koyama | 1,639 / 1,623 | 5, 7, 6 |
| Oct 5, 2008 | Van Dusen, Philip | Nobuhiko Koyama | 1,639 / 1,623 | 8, 10, 6 |
| Sep 3, 2006 | Van Dusen, Philip | Nobuhiko Koyama | 1,676 / 1,572 | 6, 8, -7, -7, 8 |
| Sep 3, 2006 | Van Dusen, Philip | Nobuhiko Koyama | 1,676 / 1,572 | -6, -8, 9, 10, 8 |
| May 15, 2005 | Van Dusen, Philip | Nobuhiko Koyama | 1,672 / 1,592 | 5, -9, -7, 9, 12 |
| Oct 3, 2004 | Nobuhiko Koyama | Van Dusen, Philip | 1,560 / 1,524 | 9, -5, 9, 9 |
| Oct 3, 2004 | Nobuhiko Koyama | Van Dusen, Philip | 1,560 / 1,524 | 9, -6, 5, 6 |
| Jan 19, 2002 | Nobuhiko Koyama | Van Dusen, Philip | 1,595 / 1,499 | 0 |
| Jun 9, 2001 | Nobuhiko Koyama | Van Dusen, Philip | 1,568 / 1,475 | 11, 16 |
| Jun 9, 2001 | Van Dusen, Philip | Nobuhiko Koyama | 1,475 / 1,568 | 13, 20 |
| Jun 9, 2001 | Nobuhiko Koyama | Van Dusen, Philip | 1,568 / 1,475 | 10, 14 |
| Jun 24, 2000 | Nobuhiko Koyama | Van Dusen, Philip | 1,489 / 1,548 | 0 |
| Jun 11, 2000 | Nobuhiko Koyama | Van Dusen, Philip | 1,433 / 1,580 | 0 |
| Jun 11, 2000 | Van Dusen, Philip | Nobuhiko Koyama | 1,580 / 1,433 | 0 |
| Mar 12, 2000 | Van Dusen, Philip | Nobuhiko Koyama | 1,533 / 1,581 | -17, 18, 20 |