Head to head
Rivalry summary
John James and Pavel Slozil met 2 times on the ATP tour between 1977 and 1979. Their head-to-head is level at 1–1. By surface, they are level 1–1 on clay.
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Clay
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John James's wins on the left · Pavel Slozil's on the right · bar lengths share one scale
All meetings (2)
| 1979 | Boston | Clay | R16 | Pavel Slozil | 6-3 7-5 |
| 1977 | Madrid | Clay | R64 | John James | 6-0 6-1 |
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.