H2H data updated: 2026-07-18 02:15 UTC
Mark Merklein vs David Nainkin H2H: 0-2
David Nainkin holds a 2–0 lead over Mark Merklein in their ATP head-to-head. Across 2 main-draw meetings, David Nainkin leads 1–0 on grass and 1–0 on hard courts. Most recently, David Nainkin won the 1998 US Open first round 6-7(3) 6-0 6-4 6-4.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
BAH
Age 54
Right-Handed
188 cm / 6'2"
H2H
0
–
2
2 main draw meetings
RSA
Age 55
Right-Handed
183 cm / 6'0"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Sep 2, 1998* | US Open | Grand Slam | R128 | Hard | David Nainkin | 6-7(3) 6-0 6-4 6-4 | Mark Merklein | Match data |
| Jun 10, 1998* | Queen's Club | ATP 250 | R64 | Grass | David Nainkin | 6-3 6-3 | Mark Merklein | Match data |
* Estimated match date where the exact historical date is unavailable.
Career Comparison
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 | Finals | 500 | 250 | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mark Merklein | #1,361 | #160 | 269 | 1,507 | 3 | 12 | 20.0% | 0 | 0 | 0 | 0 | 0 | 0 |
| David Nainkin | #910 | #132 | 350 | 1,628 | 26 | 43 | 37.7% | 0 | 0 | 0 | 0 | 0 | 0 |
Career Progression by Age
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| Age | Mark Merklein | David Nainkin | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 21 | — | — | — | — | — | — | — | 1992 | 1–1 | 50.0% | #261 | 1,513 | 0 | 0 |
| 22 | 1994 | 0–2 | 0.0% | #323 | 1,485 | 0 | 0 | 1993 | 4–5 | 44.4% | #163 | 1,528 | 0 | 0 |
| 23 | 1995 | 0–1 | 0.0% | #389 | 1,469 | 0 | 0 | 1994 | 3–10 | 23.1% | #176 | 1,487 | 0 | 0 |
| 24 | 1996 | 0–1 | 0.0% | #184 | 1,460 | 0 | 0 | 1995 | 4–5 | 44.4% | #173 | 1,522 | 0 | 0 |
| 25 | 1997 | 3–4 | 42.9% | #234 | 1,494 | 0 | 0 | 1996 | 5–10 | 33.3% | #172 | 1,510 | 0 | 0 |
| 26 | 1998 | 0–4 | 0.0% | #485 | 1,446 | 0 | 0 | 1997 | 2–2 | 50.0% | #282 | 1,533 | 0 | 0 |
| 27 | — | — | — | — | — | — | — | 1998 | 7–9 | 43.8% | #136 | 1,615 | 0 | 0 |
| 28 | — | — | — | — | — | — | — | 1999 | 0–1 | 0.0% | #713 | 1,602 | 0 | 0 |