H2H data updated: 2026-09-14 00:00 UTC
Sandra Kleinova holds a 1–0 lead over Tiantian Sun in their WTA head-to-head. Across 1 main-draw meeting, Sandra Kleinova leads 1–0 on hard courts. Most recently, Sandra Kleinova won the 2003 Pattaya round of 32 6-0 7-6(4).
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Sandra Kleinova | 6-0 7-6(4) | Tiantian Sun | Match data | Nov 6, 2003* | R32 | Pattaya | Tier V → 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sandra Kleinova | #759 | #41 | 606 | 1,632 | 59 | 119 | 33.1% | 0 | 0 | 0 | 0 | 0 | 0 |
| Tiantian Sun | #819 | #77 | 395 | 1,649 | 27 | 54 | 33.3% | 0 | 0 | 0 | 0 | 1 | 1 |
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| Sandra Kleinova | Tiantian Sun | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1995 | 6–2 | 75.0% | #112 | 1,587 | 0 | 0 | 2002 | 0–1 | 0.0% | #231 | 1,493 | 0 | 0 |
| 1996 | 4–9 | 30.8% | #128 | 1,533 | 0 | 0 | 2003 | 2–7 | 22.2% | #129 | 1,451 | 0 | 0 |
| 1997 | 13–20 | 39.4% | #42 | 1,622 | 0 | 0 | 2004 | 2–9 | 18.2% | #126 | 1,429 | 0 | 0 |
| 1998 | 3–20 | 13.0% | #163 | 1,443 | 0 | 0 | 2005 | 7–6 | 53.8% | #105 | 1,520 | 0 | 0 |
| 1999 | 10–14 | 41.7% | #63 | 1,530 | 0 | 0 | 2006 | 12–12 | 50.0% | #81 | 1,628 | 0 | 1 |
| 2000 | 6–17 | 26.1% | #127 | 1,494 | 0 | 0 | 2007 | 3–15 | 16.7% | #230 | 1,505 | 0 | 1 |
| 2001 | 5–11 | 31.2% | #121 | 1,506 | 0 | 0 | 2008 | 1–4 | 20.0% | #281 | 1,493 | 0 | 1 |
| 2002 | 2–5 | 28.6% | #137 | 1,479 | 0 | 0 | — | — | — | — | — | — | — |
| 2003 | 5–7 | 41.7% | #87 | 1,527 | 0 | 0 | — | — | — | — | — | — | — |
| 2004 | 5–13 | 27.8% | #145 | 1,501 | 0 | 0 | — | — | — | — | — | — | — |
| 2005 | 0–1 | 0.0% | #170 | 1,485 | 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.
| Sandra Kleinova | Tiantian Sun | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Clay | Grass | Carpet | Yr | Hard | Clay | Grass | Carpet | ||||||||||||||||||||||||
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | ||
| 1995 | — | — | — | — | 2 | 1 | 3 | 66.7% | — | — | — | — | 4 | 1 | 5 | 80.0% | 2002 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — |
| 1996 | 0 | 3 | 3 | 0.0% | 4 | 5 | 9 | 44.4% | 0 | 1 | 1 | 0.0% | — | — | — | — | 2003 | 2 | 7 | 9 | 22.2% | — | — | — | — | — | — | — | — | — | — | — | — |
| 1997 | 6 | 6 | 12 | 50.0% | 3 | 9 | 12 | 25.0% | 2 | 3 | 5 | 40.0% | 2 | 2 | 4 | 50.0% | 2004 | 0 | 6 | 6 | 0.0% | 1 | 2 | 3 | 33.3% | 1 | 1 | 2 | 50.0% | — | — | — | — |
| 1998 | 0 | 8 | 8 | 0.0% | 2 | 7 | 9 | 22.2% | 1 | 3 | 4 | 25.0% | 0 | 2 | 2 | 0.0% | 2005 | 7 | 6 | 13 | 53.8% | — | — | — | — | — | — | — | — | — | — | — | — |
| 1999 | 4 | 6 | 10 | 40.0% | 3 | 3 | 6 | 50.0% | 0 | 2 | 2 | 0.0% | 3 | 3 | 6 | 50.0% | 2006 | 10 | 10 | 20 | 50.0% | 1 | 1 | 2 | 50.0% | 1 | 1 | 2 | 50.0% | — | — | — | — |
| 2000 | 3 | 7 | 10 | 30.0% | 3 | 8 | 11 | 27.3% | 0 | 2 | 2 | 0.0% | — | — | — | — | 2007 | 3 | 8 | 11 | 27.3% | 0 | 5 | 5 | 0.0% | 0 | 2 | 2 | 0.0% | — | — | — | — |
| 2001 | 2 | 2 | 4 | 50.0% | 1 | 5 | 6 | 16.7% | 0 | 2 | 2 | 0.0% | 2 | 2 | 4 | 50.0% | 2008 | 0 | 3 | 3 | 0.0% | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — |
| 2002 | 2 | 2 | 4 | 50.0% | 0 | 3 | 3 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2003 | 1 | 1 | 2 | 50.0% | 2 | 4 | 6 | 33.3% | 0 | 1 | 1 | 0.0% | 2 | 1 | 3 | 66.7% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2004 | 4 | 10 | 14 | 28.6% | 0 | 2 | 2 | 0.0% | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2005 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 22 | 46 | 68 | 32.4% | 20 | 47 | 67 | 29.9% | 4 | 15 | 19 | 21.1% | 13 | 11 | 24 | 54.2% | Career | 22 | 41 | 63 | 34.9% | 3 | 9 | 12 | 25.0% | 2 | 4 | 6 | 33.3% | — | — | — | — |
Rows are aligned in career order because complete birth data is unavailable. Detailed serve and return statistics available for 7/30 of Sandra Kleinova's and 28/56 of Tiantian Sun'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.
| Sandra Kleinova | Tiantian Sun | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 3/12 | 1.3 | 4.3 | 63.4% | 58.4% | 35.8% | 52.1% | 61.1% | 50.1% | 46.1% | 2003 | 1/9 | 1.0 | 4.0 | 59.4% | 60.5% | 30.8% | 28.6% | 28.6% | 48.4% | 40.0% |
| 2004 | 4/18 | 0.3 | 6.5 | 64.7% | 59.5% | 35.0% | 49.5% | 42.0% | 50.8% | 37.0% | 2006 | 9/24 | 1.1 | 1.2 | 67.2% | 58.1% | 44.5% | 53.0% | 49.3% | 53.8% | 37.5% |
| — | —/— | — | — | — | — | — | — | — | — | — | 2007 | 14/18 | 1.6 | 2.1 | 65.0% | 55.8% | 43.0% | 44.6% | 35.3% | 51.3% | 40.4% |
| — | —/— | — | — | — | — | — | — | — | — | — | 2008 | 4/5 | 1.5 | 3.0 | 65.6% | 55.4% | 41.8% | 51.8% | 30.6% | 51.0% | 36.8% |
| Career | 7/178 | 0.7 | 5.6 | 64.2% | 59.0% | 35.3% | 50.6% | 50.2% | 50.5% | 40.9% | Career | 28/81 | 1.4 | 2.0 | 65.6% | 56.6% | 42.8% | 47.8% | 38.8% | 52.0% | 38.9% |
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.
| Sandra Kleinova | Tiantian Sun | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| 1995 | 1587 | 115.8 | — | — | — | — | +22 | 0 | — | 65.0% | +1.10 | 3–1 (75%) | — | — | +0.62 | 2002 | 1493 | 101.5 | — | — | — | — | — | — | — | 33.3% | -2.00 | 0–1 | — | — | -0.19 |
| 1996 | 1533 | 112.6 | — | — | — | — | +52 | +28 | — | 33.3% | -0.80 | 2–2 (50%) | 2–4 (33%) | 99.9 | +0.41 | 2003 | 1451 | 101.0 | -0.20 | -1.27 | 0.776 | 43.9% | +17 | — | — | 22.2% | -1.67 | 0–2 | 1–2 (33%) | — | +0.54 |
| 1997 | 1622 | 131.0 | — | — | — | — | +45 | -89 | -35 | 40.5% | -0.55 | 4–6 (40%) | 3–4 (43%) | 99.3 | -0.05 | 2004 | 1430 | 103.5 | — | — | — | — | -34 | +118 | — | 24.0% | -1.68 | 1–2 (33%) | 1–1 | — | -0.02 |
| 1998 | 1443 | 104.2 | — | — | — | — | +80 | +8 | +135 | 24.5% | -1.76 | 0–7 (0%) | 1–3 (25%) | 89.3 | +0.23 | 2005 | 1520 | 124.6 | — | — | — | — | -19 | — | — | 57.7% | +0.69 | 1–1 | 3–1 (75%) | — | +0.62 |
| 1999 | 1530 | 118.7 | — | — | — | — | +35 | -27 | — | 43.1% | -0.47 | 5–2 (71%) | 2–2 (50%) | 106.0 | +0.88 | 2006 | 1629 | 131.4 | -1.14 | -2.98 | 0.811 | 45.8% | -16 | — | — | 52.7% | -0.04 | 2–5 (29%) | — | — | -0.16 |
| 2000 | 1494 | 107.6 | — | — | — | — | +55 | -24 | — | 28.8% | -1.54 | 3–3 (50%) | 3–0 (100%) | — | -0.35 | 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 |
| 2001 | 1507 | 110.4 | — | — | — | — | +74 | -88 | — | 37.8% | -1.46 | 3–4 (43%) | 1–0 | — | -0.07 | 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 |
| 2002 | 1480 | 99.0 | — | — | — | — | +102 | -105 | — | 31.3% | -1.50 | 1–1 | — | — | +0.29 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2003 | 1527 | 110.3 | -1.31 | +0.48 | 0.923 | 47.8% | +92 | -144 | — | 47.8% | -0.70 | 0–1 | 2–0 | — | +0.32 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2004 | 1502 | 114.9 | -1.61 | -2.98 | 0.752 | 44.3% | +51 | — | — | 33.3% | -1.28 | 2–5 (29%) | 1–0 | — | -0.76 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2005 | 1486 | 96.3 | — | — | — | — | — | — | — | 0.0% | -3.50 | — | — | — | +0.10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 1632 | 119.3 | -1.48 | -1.50 | 0.826 | 45.8% | +56 | -44 | +41 | 36.8% | -0.99 | 23–32 (42%) | 15–13 (54%) | 100.8 | +0.92 | 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 |
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 |
|---|---|---|---|---|---|
| Tatiana Panova | 3 | 2 | 5 | Jan 15, 2004 | H2H |
| Angeles Montolio | 1 | 4 | 5 | Oct 4, 2001 | H2H |
| Henrieta Nagyova | 1 | 3 | 4 | Aug 7, 2004 | H2H |
| Jana Novotna | 0 | 4 | 4 | Jun 24, 1998 | H2H |
| Tamarine Tanasugarn | 0 | 3 | 3 | Nov 4, 2004 | H2H |
| 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 |