Head to head
1
Carpet
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Juan Gisbert Sr's wins on the left · Nicholas Kalogeropoulos's on the right · bar lengths share one scale
All meetings (2)
| 1973 | Charleston | Carpet | R16 | Juan Gisbert Sr | 5-7 6-2 6-4 |
| 1973 | Des Moines | Carpet | SF | Nicholas Kalogeropoulos | 6-7 6-4 7-5 |
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.