H2H data updated: 2026-09-13 00:00 UTC
Tiantian Sun holds a 1–0 lead over Ashley Harkleroad in their WTA head-to-head. Across 1 main-draw meeting, Tiantian Sun leads 1–0 on hard courts. Most recently, Tiantian Sun won the 2005 Guangzhou Open round of 32 5-7 6-1 6-0.
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| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Tiantian Sun | 5-7 6-1 6-0 | Ashley Harkleroad | Match data | Sep 29, 2005* | R32 | Guangzhou Open | Tier III → modern equivalent 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.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tiantian Sun | #819 | #77 | 395 | 1,649 | 27 | 54 | 33.3% | 0 | 0 | 0 | 0 | 1 | 1 |
| Ashley Harkleroad | #1,051 | #39 | 821 | 1,681 | 51 | 79 | 39.2% | 0 | 0 | 0 | 0 | 0 | 0 |
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| Tiantian Sun | Ashley Harkleroad | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 2002 | 0–1 | 0.0% | #231 | 1,493 | 0 | 0 | 2001 | 0–2 | 0.0% | #277 | 1,479 | 0 | 0 |
| 2003 | 2–7 | 22.2% | #129 | 1,451 | 0 | 0 | 2002 | 3–5 | 37.5% | #113 | 1,501 | 0 | 0 |
| 2004 | 2–9 | 18.2% | #126 | 1,429 | 0 | 0 | 2003 | 14–14 | 50.0% | #52 | 1,592 | 0 | 0 |
| 2005 | 7–6 | 53.8% | #105 | 1,520 | 0 | 0 | 2004 | 8–12 | 40.0% | #123 | 1,581 | 0 | 0 |
| 2006 | 12–12 | 50.0% | #81 | 1,628 | 0 | 1 | 2005 | 0–4 | 0.0% | #118 | 1,528 | 0 | 0 |
| 2007 | 3–15 | 16.7% | #230 | 1,505 | 0 | 1 | 2006 | 9–15 | 37.5% | #86 | 1,550 | 0 | 0 |
| 2008 | 1–4 | 20.0% | #281 | 1,493 | 0 | 1 | 2007 | 7–14 | 33.3% | #67 | 1,512 | 0 | 0 |
| — | — | — | — | — | — | — | 2008 | 10–11 | 47.6% | #133 | 1,570 | 0 | 0 |
| — | — | — | — | — | — | — | 2010 | 0–2 | 0.0% | #1020 | 1,551 | 0 | 0 |
Rows are aligned in career order because complete birth data is unavailable. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.
| Tiantian Sun | Ashley Harkleroad | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Clay | Grass | Yr | Hard | Clay | Grass | ||||||||||||||||||
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | ||
| 2002 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 2001 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — |
| 2003 | 2 | 7 | 9 | 22.2% | — | — | — | — | — | — | — | — | 2002 | 3 | 5 | 8 | 37.5% | — | — | — | — | — | — | — | — |
| 2004 | 0 | 6 | 6 | 0.0% | 1 | 2 | 3 | 33.3% | 1 | 1 | 2 | 50.0% | 2003 | 5 | 7 | 12 | 41.7% | 9 | 5 | 14 | 64.3% | 0 | 2 | 2 | 0.0% |
| 2005 | 7 | 6 | 13 | 53.8% | — | — | — | — | — | — | — | — | 2004 | 7 | 8 | 15 | 46.7% | 1 | 3 | 4 | 25.0% | 0 | 1 | 1 | 0.0% |
| 2006 | 10 | 10 | 20 | 50.0% | 1 | 1 | 2 | 50.0% | 1 | 1 | 2 | 50.0% | 2005 | 0 | 3 | 3 | 0.0% | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 2007 | 3 | 8 | 11 | 27.3% | 0 | 5 | 5 | 0.0% | 0 | 2 | 2 | 0.0% | 2006 | 6 | 9 | 15 | 40.0% | 2 | 5 | 7 | 28.6% | 1 | 1 | 2 | 50.0% |
| 2008 | 0 | 3 | 3 | 0.0% | 1 | 1 | 2 | 50.0% | — | — | — | — | 2007 | 5 | 9 | 14 | 35.7% | 2 | 4 | 6 | 33.3% | 0 | 1 | 1 | 0.0% |
| — | — | — | — | — | — | — | — | — | — | — | — | — | 2008 | 9 | 7 | 16 | 56.3% | 0 | 2 | 2 | 0.0% | 1 | 2 | 3 | 33.3% |
| — | — | — | — | — | — | — | — | — | — | — | — | — | 2010 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — |
| Career | 22 | 41 | 63 | 34.9% | 3 | 9 | 12 | 25.0% | 2 | 4 | 6 | 33.3% | Career | 35 | 52 | 87 | 40.2% | 14 | 19 | 33 | 42.4% | 2 | 8 | 10 | 20.0% |
Rows are aligned in career order because complete birth data is unavailable. Detailed serve and return statistics available for 28/56 of Tiantian Sun's and 65/120 of Ashley Harkleroad's main draw matches. Sample is shown as matches with detailed serve and return statistics / total main draw matches. Bold green marks the stronger value when both stat samples contain at least 5 matches; lower is better for DFs/M.
| Tiantian Sun | Ashley Harkleroad | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Sample | Aces/M | DFs/M | 1st Sv% | 1st Pts% | 2nd Pts% | BP Saved% | BP Conv% | Svc Pts% | Ret Pts% | Yr | Sample | Aces/M | DFs/M | 1st Sv% | 1st Pts% | 2nd Pts% | BP Saved% | BP Conv% | Svc Pts% | Ret Pts% |
| 2003 | 1/9 | 1.0 | 4.0 | 59.4% | 60.5% | 30.8% | 28.6% | 28.6% | 48.4% | 40.0% | 2003 | 6/28 | 1.0 | 2.2 | 71.5% | 58.8% | 40.9% | 55.5% | 33.7% | 53.6% | 44.8% |
| 2006 | 9/24 | 1.1 | 1.2 | 67.2% | 58.1% | 44.5% | 53.0% | 49.3% | 53.8% | 37.5% | 2004 | 3/20 | 1.0 | 2.7 | 73.5% | 51.7% | 34.3% | 37.5% | 84.8% | 47.2% | 45.2% |
| 2007 | 14/18 | 1.6 | 2.1 | 65.0% | 55.8% | 43.0% | 44.6% | 35.3% | 51.3% | 40.4% | 2005 | 1/4 | 1.0 | 3.0 | 57.1% | 25.0% | 11.1% | 33.3% | — | 19.0% | 27.6% |
| 2008 | 4/5 | 1.5 | 3.0 | 65.6% | 55.4% | 41.8% | 51.8% | 30.6% | 51.0% | 36.8% | 2006 | 15/24 | 1.3 | 3.1 | 66.1% | 60.3% | 42.4% | 48.5% | 43.6% | 54.0% | 40.0% |
| — | —/— | — | — | — | — | — | — | — | — | — | 2007 | 20/21 | 0.6 | 3.1 | 71.1% | 56.9% | 42.2% | 50.3% | 43.1% | 52.5% | 43.3% |
| — | —/— | — | — | — | — | — | — | — | — | — | 2008 | 19/21 | 0.8 | 3.4 | 68.3% | 57.6% | 42.7% | 48.2% | 45.4% | 52.9% | 44.6% |
| — | —/— | — | — | — | — | — | — | — | — | — | 2010 | 1/2 | 0.0 | 2.0 | 72.5% | 48.6% | 42.9% | 44.4% | 50.0% | 47.1% | 31.9% |
| Career | 28/81 | 1.4 | 2.0 | 65.6% | 56.6% | 42.8% | 47.8% | 38.8% | 52.0% | 38.9% | Career | 65/130 | 0.9 | 3.1 | 69.1% | 57.2% | 41.5% | 48.8% | 44.4% | 52.2% | 42.7% |
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.
| Tiantian Sun | Ashley Harkleroad | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| 2002 | 1493 | 101.5 | — | — | — | — | — | — | — | 33.3% | -2.00 | 0–1 | — | — | -0.19 | 2001 | 1479 | 102.7 | — | — | — | — | — | — | — | 33.3% | -1.17 | 0–2 | — | — | -0.03 |
| 2003 | 1451 | 101.0 | -0.20 | -1.27 | 0.776 | 43.9% | +17 | — | — | 22.2% | -1.67 | 0–2 | 1–2 (33%) | — | +0.54 | 2002 | 1502 | 120.5 | — | — | — | — | +25 | — | — | 37.5% | -0.50 | — | 1–1 | — | -0.26 |
| 2004 | 1430 | 103.5 | — | — | — | — | -34 | +118 | — | 24.0% | -1.68 | 1–2 (33%) | 1–1 | — | -0.02 | 2003 | 1592 | 121.9 | -0.82 | +0.82 | 0.967 | 49.5% | -59 | +93 | — | 49.1% | -0.04 | 1–6 (14%) | 2–3 (40%) | 94.4 | +0.64 |
| 2005 | 1520 | 124.6 | — | — | — | — | -19 | — | — | 57.7% | +0.69 | 1–1 | 3–1 (75%) | — | +0.62 | 2004 | 1581 | 123.9 | -1.88 | -0.09 | 0.856 | 46.1% | 0 | +53 | — | 42.9% | -0.62 | 2–2 (50%) | 1–3 (25%) | 99.0 | -0.37 |
| 2006 | 1629 | 131.4 | -1.14 | -2.98 | 0.811 | 45.8% | -16 | — | — | 52.7% | -0.04 | 2–5 (29%) | — | — | -0.16 | 2005 | 1529 | 99.7 | -1.98 | -1.34 | 0.341 | 24.0% | +12 | — | — | 25.0% | -2.25 | 0–2 | — | — | -0.09 |
| 2007 | 1505 | 100.0 | -2.48 | -2.77 | 0.830 | 45.9% | +49 | -23 | — | 20.5% | -2.13 | 1–2 (33%) | 4–1 (80%) | 101.7 | -1.14 | 2006 | 1550 | 119.5 | -0.91 | -2.27 | 0.871 | 47.1% | +17 | +27 | — | 41.5% | -0.98 | 1–4 (20%) | 4–1 (80%) | 99.6 | -0.70 |
| 2008 | 1494 | 101.6 | -1.21 | -2.08 | 0.750 | 43.9% | +30 | — | — | 30.8% | -1.62 | 1–2 (33%) | 2–3 (40%) | 98.7 | +0.02 | 2007 | 1513 | 111.3 | -2.54 | -1.08 | 0.912 | 48.0% | +6 | +48 | — | 37.2% | -0.67 | 1–2 (33%) | 2–3 (40%) | 98.6 | +1.00 |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2008 | 1571 | 121.1 | -2.19 | +0.77 | 0.946 | 48.8% | +20 | — | -60 | 48.9% | -0.30 | 2–3 (40%) | 2–1 (67%) | 100.8 | -0.16 |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2010 | 1552 | 102.9 | -1.56 | +0.46 | 0.603 | 39.8% | — | — | — | 0.0% | -4.25 | — | — | — | -0.09 |
| Career | 1650 | 117.9 | -1.79 | -2.69 | 0.810 | 45.5% | 0 | +30 | — | 37.4% | -0.93 | 6–15 (29%) | 11–8 (58%) | 98.4 | -0.41 | Career | 1681 | 124.5 | -1.85 | -0.57 | 0.895 | 47.5% | +2 | +64 | -60 | 42.4% | -0.63 | 7–21 (25%) | 12–12 (50%) | 92.7 | -0.05 |
Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Virginie Razzano | 0 | 3 | 3 | Feb 20, 2008 | H2H |
| Gisela Dulko | 0 | 3 | 3 | Aug 8, 2007 | H2H |
| Victoria Azarenka | 1 | 1 | 2 | Apr 17, 2008 | H2H |
| Anastasia Rodionova | 1 | 1 | 2 | Mar 6, 2008 | H2H |
| Martina Hingis | 0 | 2 | 2 | Sep 20, 2007 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Tatiana Perebiynis | 1 | 3 | 4 | May 22, 2008 | H2H |
| Jill Craybas | 1 | 3 | 4 | Aug 2, 2006 | H2H |
| Meilen Tu | 1 | 2 | 3 | Jan 11, 2008 | H2H |
| Emilie Loit | 3 | 0 | 3 | Jan 3, 2008 | H2H |
| Aleksandra Wozniak | 1 | 2 | 3 | Nov 1, 2007 | H2H |