Head to head
Rivalry summary
Jeff Simpson and Duy-Bao Ta met 1 times on the ATP tour between 1974 and 1974. Jeff Simpson leads the head-to-head 1–0 against Duy-Bao Ta.
1
Grass
0
Jeff Simpson's wins on the left · Duy-Bao Ta's on the right · bar lengths share one scale
All meetings (1)
| 1974 | Davis Cup SAM QF: NZL vs VIE | Grass | RR | Jeff Simpson | 6-1 6-1 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.