Head to head
Rivalry summary
Andrew Castle and Wolfgang Popp met 2 times on the ATP tour between 1987 and 1988. Their head-to-head is level at 1–1. By surface, they are level 1–1 on hard.
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Hard
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Andrew Castle's wins on the left · Wolfgang Popp's on the right · bar lengths share one scale
All meetings (2)
| 1988 | Seoul | Hard | R16 | Andrew Castle | 2-6 6-2 6-2 |
| 1987 | Tel Aviv | Hard | R16 | Wolfgang Popp | 6-7 6-4 6-2 |
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.