Nancy Harris
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Jane Plackett | 0 | 2 | 2 | Nov 15, 1980 | H2H |
| Catrin Jexell | 0 | 1 | 1 | Jun 4, 1982 | H2H |
| Merrilee Keller | 1 | 0 | 1 | Jun 3, 1982 | H2H |
| Julie Harrington | 0 | 1 | 1 | Nov 7, 1980 | H2H |
| Joy Tacon | 1 | 0 | 1 | Nov 6, 1980 | H2H |
H2H data updated: 2026-10-27 00:00 UTC
Nancy Harris vs M Costello H2H: 1-0
Nancy Harris holds a 1–0 lead over M Costello in their WTA head-to-head. Across 1 main-draw meeting, Nancy Harris leads 1–0 on hard courts. Most recently, Nancy Harris won the 1980 New Zealand Hard Chps round of 32 6-4 6-2.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
H2H Match Log
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Nancy Harris | 6-4 6-2 | M Costello | Match data | Jan 10, 1980* | R32 | New Zealand Hard Chps | WTA 250 | Hard |
Estimated match date where the exact historical date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.
Career Comparison
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 including documented historical predecessor categories | Finals | 500 including documented historical predecessor categories | 250 including documented historical predecessor categories | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nancy Harris | — | — | — | 1,500 | 7 | 18 | 28.0% | 0 | 0 | 0 | 0 | 0 | 0 |
| M Costello | — | — | — | 1,500 | 0 | 1 | 0.0% | 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.
| Nancy Harris | M Costello | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1978 | 0–2 | 0.0% | — | 1,468 | 0 | 0 | 1980 | 0–1 | 0.0% | — | 1,480 | 0 | 0 |
| 1979 | 0–3 | 0.0% | — | 1,428 | 0 | 0 | — | — | — | — | — | — | — |
| 1980 | 6–12 | 33.3% | — | 1,400 | 0 | 0 | — | — | — | — | — | — | — |
| 1982 | 1–1 | 50.0% | — | 1,411 | 0 | 0 | — | — | — | — | — | — | — |
Advanced Statistics Comparison by Career Season
Rows are aligned in career order because complete birth data is unavailable. Metrics use eligible main-draw results; point statistics use matches with detailed data. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.
| Nancy Harris | M Costello | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule | Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule |
| 1978 | 1468 | 92.8 | — | — | — | — | — | — | — | 0.0% | -3.75 | — | — | — | +0.16 | 1980 | 1481 | 97.2 | — | — | — | — | — | — | — | 0.0% | -3.00 | — | — | — | +0.27 |
| 1979 | 1429 | 82.7 | — | — | — | — | — | — | — | 0.0% | -4.83 | — | — | — | +0.38 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1980 | 1400 | 87.7 | — | — | — | — | +151 | +63 | — | 33.3% | -1.74 | 2–3 (40%) | 5–0 (100%) | 102.8 | +1.68 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1982 | 1411 | 96.6 | — | — | — | — | — | — | — | 50.0% | -1.00 | — | 1–0 | — | +0.31 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 1500 | 84.5 | — | — | — | — | +151 | +63 | — | 28.3% | -2.19 | 2–3 (40%) | 6–0 (100%) | 103.7 | +10.12 | Career | 1500 | 98.5 | — | — | — | — | — | — | — | 0.0% | -3.00 | — | — | — | +27.00 |
Career Rivalries
Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.
M Costello
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Nancy Harris | 0 | 1 | 1 | Jan 10, 1980 | H2H |