H2H data updated: 2026-07-14 14:15 UTC
T. Nelson vs Sammy Giammalva Jr H2H: 1-0
T. Nelson holds a 1–0 lead over Sammy Giammalva Jr in their ATP head-to-head. Across 1 main-draw meeting, T. Nelson leads 1–0 on hard courts. Most recently, T. Nelson won the 1983 Tokyo Outdoor third round 6-2 6-3.
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USA
Age 65
Right-Handed
185 cm / 6'1"
H2H
1
–
0
1 main draw meetings
Age 63
Right-Handed
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Oct 20, 1983* | Tokyo Outdoor | ATP 250 | R32 | Hard | T. Nelson | 6-2 6-3 | Sammy Giammalva Jr | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| T. Nelson | #1,179 | #58 | 156 | 1,650 | 53 | 90 | 37.1% | 0 | 0 | 0 | 0 | 0 | 0 |
| Sammy Giammalva Jr | — | — | — | 1,802 | — | — | — | 0 | 0 | 0 | 0 | 2 | 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 | T. Nelson | Sammy Giammalva Jr | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 22 | 1983 | 4–5 | 44.4% | #423 | 1,528 | 0 | 0 | — | — | — | — | — | — | — |
| 23 | 1984 | 10–12 | 45.5% | #97 | 1,601 | 0 | 0 | — | — | — | — | — | — | — |
| 24 | 1985 | 7–15 | 31.8% | #161 | 1,565 | 0 | 0 | — | — | — | — | — | — | — |
| 25 | 1986 | 8–15 | 34.8% | #117 | 1,564 | 0 | 0 | — | — | — | — | — | — | — |
| 26 | 1987 | 9–12 | 42.9% | #112 | 1,574 | 0 | 0 | — | — | — | — | — | — | — |
| 27 | 1988 | 11–19 | 36.7% | #122 | 1,564 | 0 | 0 | — | — | — | — | — | — | — |
| 28 | 1989 | 0–3 | 0.0% | #486 | 1,519 | 0 | 0 | — | — | — | — | — | — | — |
| 29 | 1990 | 0–2 | 0.0% | #485 | 1,506 | 0 | 0 | — | — | — | — | — | — | — |
| 30 | 1991 | 2–3 | 40.0% | #273 | 1,513 | 0 | 0 | — | — | — | — | — | — | — |
| 31 | 1992 | 0–1 | 0.0% | #302 | 1,503 | 0 | 0 | — | — | — | — | — | — | — |
| 32 | 1993 | 2–3 | 40.0% | #255 | 1,505 | 0 | 0 | — | — | — | — | — | — | — |