Head to head
1
Clay
0
Zan Guerry's wins on the left · Ingo Buding's on the right · bar lengths share one scale
All meetings (1)
| 1969 | Houston | Clay | R32 | Zan Guerry | 9-11 6-0 6-4 |
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.