Head to head
Rivalry summary
Jan Willem Frederikse and Hans-Joachim Ploetz met 1 times on the ATP tour between 1969 and 1969. Hans-Joachim Ploetz leads the head-to-head 1–0 against Jan Willem Frederikse.
0
Clay
1
Jan Willem Frederikse's wins on the left · Hans-Joachim Ploetz's on the right · bar lengths share one scale
All meetings (1)
| 1969 | Hilversum | Clay | R64 | Hans-Joachim Ploetz | 6-2 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.