H2H data updated: 2026-09-14 00:00 UTC
Alina Jidkova holds a 1–0 lead over Sheng-Nan Sun in their WTA head-to-head. Across 1 main-draw meeting, Alina Jidkova leads 1–0 on hard courts. Most recently, Alina Jidkova won the 2005 Guangzhou Open round of 32 6-3 6-2.
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| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Alina Jidkova | 6-3 6-2 | Sheng-Nan Sun | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Alina Jidkova | #613 | #51 | 648 | 1,611 | 47 | 112 | 29.6% | 0 | 0 | 0 | 0 | 0 | 0 |
| Sheng-Nan Sun | #909 | #216 | 260 | 1,500 | 0 | 10 | 0.0% | 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.
| Alina Jidkova | Sheng-Nan Sun | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 2000 | 3–15 | 16.7% | #79 | 1,424 | 0 | 0 | 2005 | 0–1 | 0.0% | #336 | 1,482 | 0 | 0 |
| 2001 | 3–6 | 33.3% | #114 | 1,463 | 0 | 0 | 2006 | 0–2 | 0.0% | #258 | 1,455 | 0 | 0 |
| 2002 | 8–15 | 34.8% | #85 | 1,477 | 0 | 0 | 2007 | 0–3 | 0.0% | #348 | 1,430 | 0 | 0 |
| 2003 | 7–13 | 35.0% | #97 | 1,507 | 0 | 0 | 2010 | 0–2 | 0.0% | #273 | 1,415 | 0 | 0 |
| 2004 | 16–22 | 42.1% | #55 | 1,592 | 0 | 0 | 2011 | 0–2 | 0.0% | #353 | 1,400 | 0 | 0 |
| 2005 | 7–25 | 21.9% | #124 | 1,456 | 0 | 0 | — | — | — | — | — | — | — |
| 2006 | 1–4 | 20.0% | #335 | 1,435 | 0 | 0 | — | — | — | — | — | — | — |
| 2007 | 2–8 | 20.0% | #148 | 1,411 | 0 | 0 | — | — | — | — | — | — | — |
| 2008 | 0–3 | 0.0% | #242 | 1,384 | 0 | 0 | — | — | — | — | — | — | — |
| 2009 | 0–1 | 0.0% | #336 | 1,373 | 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.
| Alina Jidkova | Sheng-Nan 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 % | ||
| 2000 | 2 | 9 | 11 | 18.2% | 1 | 5 | 6 | 16.7% | 0 | 1 | 1 | 0.0% | — | — | — | — | 2005 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — |
| 2001 | 3 | 5 | 8 | 37.5% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% | 2006 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — |
| 2002 | 7 | 8 | 15 | 46.7% | 1 | 4 | 5 | 20.0% | 0 | 2 | 2 | 0.0% | 0 | 1 | 1 | 0.0% | 2007 | 0 | 2 | 2 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 2003 | 5 | 9 | 14 | 35.7% | 0 | 2 | 2 | 0.0% | 0 | 1 | 1 | 0.0% | 2 | 1 | 3 | 66.7% | 2010 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — |
| 2004 | 12 | 14 | 26 | 46.2% | 4 | 4 | 8 | 50.0% | 0 | 2 | 2 | 0.0% | 0 | 2 | 2 | 0.0% | 2011 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — |
| 2005 | 5 | 15 | 20 | 25.0% | 2 | 6 | 8 | 25.0% | 0 | 3 | 3 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2006 | 1 | 4 | 5 | 20.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2007 | 2 | 6 | 8 | 25.0% | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2008 | 0 | 2 | 2 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2009 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 37 | 73 | 110 | 33.6% | 8 | 24 | 32 | 25.0% | 0 | 9 | 9 | 0.0% | 2 | 6 | 8 | 25.0% | Career | 0 | 9 | 9 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
Rows are aligned in career order because complete birth data is unavailable. Detailed serve and return statistics available for 21/104 of Alina Jidkova's and 4/7 of Sheng-Nan 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.
| Alina Jidkova | Sheng-Nan 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 | 3/20 | 2.3 | 5.0 | 60.2% | 58.9% | 33.0% | 57.7% | 58.9% | 48.6% | 35.6% | 2007 | 1/3 | 0.0 | 2.0 | 58.9% | 57.6% | 34.8% | 37.5% | 16.7% | 48.2% | 40.8% |
| 2004 | 3/38 | 2.3 | 2.7 | 59.0% | 64.0% | 42.6% | 59.5% | 33.3% | 55.3% | 39.6% | 2010 | 2/2 | 1.5 | 2.0 | 60.4% | 51.8% | 40.6% | 28.6% | 23.3% | 47.7% | 41.5% |
| 2005 | 5/32 | 3.2 | 2.4 | 60.2% | 60.7% | 42.9% | 57.2% | 46.3% | 53.3% | 32.4% | 2011 | 1/2 | 1.0 | 4.0 | 75.0% | 52.1% | 31.3% | 58.3% | 66.7% | 46.9% | 36.4% |
| 2007 | 7/10 | 1.6 | 1.4 | 60.9% | 55.7% | 48.2% | 50.3% | 35.9% | 52.8% | 38.6% | — | —/— | — | — | — | — | — | — | — | — | — |
| 2008 | 2/3 | 1.0 | 5.0 | 69.1% | 54.8% | 30.0% | 38.3% | 33.3% | 46.5% | 36.6% | — | —/— | — | — | — | — | — | — | — | — | — |
| 2009 | 1/1 | 1.0 | 0.0 | 68.3% | 41.5% | 47.4% | 37.5% | 100.0% | 43.3% | 38.3% | — | —/— | — | — | — | — | — | — | — | — | — |
| Career | 21/159 | 2.1 | 2.6 | 61.5% | 57.8% | 42.2% | 52.6% | 44.1% | 51.6% | 36.6% | Career | 4/10 | 1.0 | 2.5 | 63.7% | 53.3% | 36.8% | 38.2% | 32.5% | 47.6% | 40.0% |
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.
| Alina Jidkova | Sheng-Nan 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 |
| 2000 | 1424 | 117.1 | — | — | — | — | +58 | +90 | — | 22.0% | -1.93 | 2–3 (40%) | 2–3 (40%) | 99.0 | +0.26 | 2005 | 1482 | 95.5 | — | — | — | — | — | — | — | 0.0% | -3.50 | — | — | — | +0.16 |
| 2001 | 1464 | 118.0 | — | — | — | — | +39 | — | — | 33.3% | -0.83 | — | 0–2 | — | -0.51 | 2006 | 1456 | 95.0 | — | — | — | — | — | — | — | 20.0% | -1.80 | 0–1 | — | — | +0.10 |
| 2002 | 1478 | 114.9 | — | — | — | — | +69 | -25 | — | 37.7% | -0.74 | 3–4 (43%) | 2–4 (33%) | 100.2 | -0.71 | 2007 | 1430 | 93.5 | -1.88 | -1.23 | 0.788 | 43.9% | — | — | — | 0.0% | -2.83 | — | 0–2 | — | -0.24 |
| 2003 | 1507 | 115.3 | -2.04 | -2.52 | 0.692 | 42.2% | +51 | — | — | 40.4% | -0.60 | 2–5 (29%) | 1–2 (33%) | 96.9 | +0.08 | 2010 | 1416 | 103.2 | -1.48 | +0.30 | 0.793 | 44.5% | — | — | — | 20.0% | -2.00 | 0–1 | — | — | +0.04 |
| 2004 | 1592 | 126.7 | -0.08 | -0.85 | 0.886 | 47.1% | +4 | -75 | — | 44.9% | -0.17 | 7–8 (47%) | 8–11 (42%) | 99.5 | +0.36 | 2011 | 1400 | 99.0 | -2.15 | -1.28 | 0.684 | 42.0% | — | — | — | 0.0% | -2.75 | — | 0–1 | — | -0.03 |
| 2005 | 1457 | 106.1 | -0.89 | -4.21 | 0.694 | 43.2% | +26 | +3 | -82 | 27.8% | -1.25 | 2–8 (20%) | 1–5 (17%) | 92.3 | +0.60 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2006 | 1436 | 99.4 | — | — | — | — | +12 | — | — | 25.0% | -1.92 | 1–1 | — | — | +0.17 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2007 | 1412 | 101.9 | -1.57 | -1.95 | 0.816 | 46.0% | +20 | — | — | 36.0% | -1.20 | 2–5 (29%) | 2–0 | — | +0.06 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2008 | 1385 | 96.5 | -2.18 | +0.90 | 0.684 | 41.9% | — | — | — | 14.3% | -2.14 | 0–1 | 0–1 | — | +0.14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2009 | 1374 | 96.7 | -1.05 | -2.51 | 0.676 | 40.8% | — | — | — | 0.0% | -3.50 | — | — | — | +0.11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 1612 | 118.4 | -1.30 | -2.17 | 0.757 | 44.3% | +33 | -6 | -82 | 34.7% | -0.93 | 19–35 (35%) | 16–28 (36%) | 91.6 | +0.35 | Career | 1500 | 94.4 | -1.75 | -0.48 | 0.764 | 43.8% | — | — | — | 9.1% | -2.45 | 0–2 | 0–3 (0%) | — | +0.30 |
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 |
|---|---|---|---|---|---|
| Shinobu Asagoe | 1 | 3 | 4 | Aug 18, 2005 | H2H |
| Amy Frazier | 1 | 3 | 4 | Apr 6, 2005 | H2H |
| Daniela Hantuchova | 1 | 2 | 3 | Aug 17, 2005 | H2H |
| Samantha Stosur | 2 | 1 | 3 | Aug 10, 2005 | H2H |
| Virginia Ruano Pascual | 1 | 2 | 3 | Jan 19, 2005 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Zarina Diyas | 0 | 1 | 1 | Sep 22, 2011 | H2H |
| Jarmila Wolfe | 0 | 1 | 1 | Mar 3, 2011 | H2H |
| Shahar Peer | 0 | 1 | 1 | Oct 4, 2010 | H2H |
| Alexandra Panova | 0 | 1 | 1 | Sep 16, 2010 | H2H |
| Anabel Medina Garrigues | 0 | 1 | 1 | Sep 27, 2007 | H2H |