Head to head
0
Hard
1
1
Clay
0
Udo Riglewski's wins on the left · Ricki Osterthun's on the right · bar lengths share one scale
All meetings (2)
| 1990 | Kitzbuhel | Clay | R32 | Udo Riglewski | 6-3 6-4 |
| 1988 | Basel | Hard | R32 | Ricki Osterthun | 7-5 4-6 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.