Head to head
Rivalry summary
William Koo and Brian Gottfried met 1 times on the ATP tour between 1973 and 1973. Brian Gottfried leads the head-to-head 1–0 against William Koo.
0
Hard
1
William Koo's wins on the left · Brian Gottfried's on the right · bar lengths share one scale
All meetings (1)
| 1973 | Hong Kong | Hard | R32 | Brian Gottfried | 6-1 6-0 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.