Head to head
Rivalry summary
Zan Guerry and John De Zeeuw met 1 times on the ATP tour between 1968 and 1968. Zan Guerry leads the head-to-head 1–0 against John De Zeeuw.
1
Clay
0
Zan Guerry's wins on the left · John De Zeeuw's on the right · bar lengths share one scale
All meetings (1)
| 1968 | Indianapolis | Clay | R64 | Zan Guerry | 12-10 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.