H2H data updated: 2026-07-19 08:25 UTC
Meghann Shaughnessy vs Mariana Diaz-Oliva H2H: 1-0
Meghann Shaughnessy holds a 1–0 lead over Mariana Diaz-Oliva in their WTA head-to-head. Across 1 main-draw meeting, Meghann Shaughnessy leads 1–0 on clay. Most recently, Meghann Shaughnessy won the 2006 Acapulco third round 6-1 6-0.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
USA
Age 47
Right-Handed
180 cm / 5'11"
H2H
1
–
0
1 main draw meetings
ARG
Age 50
Right-Handed
172 cm / 5'8"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Mar 2, 2006* | Acapulco | WTA 500 | R32 | Clay | Meghann Shaughnessy | 6-1 6-0 | Mariana Diaz-Oliva | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Meghann Shaughnessy | #1,104 | #11 | 1,949 | 1,888 | 233 | 233 | 50.0% | 0 | 0 | 0 | 0 | 6 | 6 |
| Mariana Diaz-Oliva | #452 | #42 | 696 | 1,654 | 86 | 129 | 40.0% | 0 | 0 | 0 | 0 | 1 | 1 |
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 | Meghann Shaughnessy | Mariana Diaz-Oliva | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 17 | 1996 | 3–4 | 42.9% | #165 | 1,512 | 0 | 0 | — | — | — | — | — | — | — |
| 18 | 1997 | 0–1 | 0.0% | #198 | 1,499 | 0 | 0 | — | — | — | — | — | — | — |
| 19 | 1998 | 8–9 | 47.1% | #69 | 1,544 | 0 | 0 | — | — | — | — | — | — | — |
| 20 | 1999 | 10–22 | 31.2% | #99 | 1,439 | 0 | 0 | 1996 | 0–1 | 0.0% | #140 | 1,485 | 0 | 0 |
| 21 | 2000 | 23–20 | 53.5% | #38 | 1,652 | 0 | 1 | 1997 | 2–7 | 22.2% | #106 | 1,479 | 0 | 0 |
| 22 | 2001 | 45–25 | 64.3% | #12 | 1,825 | 0 | 2 | 1998 | 6–9 | 40.0% | #95 | 1,484 | 0 | 0 |
| 23 | 2002 | 29–27 | 51.8% | #30 | 1,716 | 0 | 2 | 1999 | 9–11 | 45.0% | #107 | 1,516 | 0 | 0 |
| 24 | 2003 | 32–23 | 58.2% | #17 | 1,725 | 0 | 3 | 2000 | 4–8 | 33.3% | #112 | 1,503 | 0 | 0 |
| 25 | 2004 | 20–22 | 47.6% | #40 | 1,663 | 0 | 3 | 2001 | 18–22 | 45.0% | #55 | 1,549 | 0 | 0 |
| 26 | 2005 | 17–25 | 40.5% | #66 | 1,563 | 0 | 3 | 2002 | 11–15 | 42.3% | #89 | 1,568 | 0 | 1 |
| 27 | 2006 | 27–20 | 57.4% | #37 | 1,709 | 0 | 5 | 2003 | 4–4 | 50.0% | #172 | 1,582 | 0 | 1 |
| 28 | 2007 | 18–22 | 45.0% | #52 | 1,666 | 0 | 6 | 2004 | 5–9 | 35.7% | #102 | 1,541 | 0 | 1 |
| 29 | 2008 | 0–5 | 0.0% | #836 | 1,579 | 0 | 6 | 2005 | 22–23 | 48.9% | #58 | 1,606 | 0 | 1 |
| 30 | 2009 | 1–8 | 11.1% | #590 | 1,533 | 0 | 6 | 2006 | 5–20 | 20.0% | #192 | 1,460 | 0 | 1 |