Kai-Chen Chang
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Shuai Zhang | 2 | 1 | 3 | Jul 27, 2017 | H2H |
| Shuai Peng | 0 | 3 | 3 | Mar 2, 2017 | H2H |
| Iveta Benesova | 1 | 2 | 3 | Jul 30, 2012 | H2H |
| Tamarine Tanasugarn | 1 | 2 | 3 | Feb 10, 2012 | H2H |
| Qiang Wang | 0 | 2 | 2 | Oct 12, 2017 | H2H |
H2H data updated: 2026-09-14 00:00 UTC
Kai-Chen Chang vs Bojana Jovanovski Petrovic H2H: 0-1
Bojana Jovanovski Petrovic holds a 1–0 lead over Kai-Chen Chang in their WTA head-to-head. Across 1 main-draw meeting, Bojana Jovanovski Petrovic leads 1–0 on hard courts. Most recently, Bojana Jovanovski Petrovic won the 2011 Australian Open round of 128 7-5 6-1.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
H2H
0
–
1
1 main-draw meetings
H2H Match Log
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Bojana Jovanovski Petrovic | 7-5 6-1 | Kai-Chen Chang | Match data | Jan 19, 2011* | R128 | Australian Open | Grand Slam | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kai-Chen Chang | #1,233 | #82 | 808 | 1,646 | 32 | 59 | 35.2% | 0 | 0 | 0 | 0 | 0 | 0 |
| Bojana Jovanovski Petrovic | #546 | #32 | 1,485 | 1,735 | 97 | 125 | 43.7% | 0 | 0 | 0 | 0 | 2 | 2 |
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 | Kai-Chen Chang | Bojana Jovanovski Petrovic | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 18 | 2009 | 5–5 | 50.0% | #94 | 1,558 | 0 | 0 | 2010 | 6–12 | 33.3% | #80 | 1,530 | 0 | 0 |
| 19 | 2010 | 9–15 | 37.5% | #117 | 1,565 | 0 | 0 | 2011 | 14–26 | 35.0% | #73 | 1,547 | 0 | 0 |
| 20 | 2011 | 1–8 | 11.1% | #148 | 1,488 | 0 | 0 | 2012 | 17–17 | 50.0% | #56 | 1,617 | 0 | 1 |
| 21 | 2012 | 9–11 | 45.0% | #86 | 1,579 | 0 | 0 | 2013 | 23–18 | 56.1% | #36 | 1,725 | 0 | 2 |
| 22 | 2013 | 1–4 | 20.0% | #621 | 1,531 | 0 | 0 | 2014 | 20–26 | 43.5% | #57 | 1,614 | 0 | 2 |
| 23 | — | — | — | — | — | — | — | 2015 | 17–21 | 44.7% | #79 | 1,619 | 0 | 2 |
| 24 | 2015 | 1–2 | 33.3% | #134 | 1,529 | 0 | 0 | 2016 | 0–4 | 0.0% | #725 | 1,555 | 0 | 2 |
| 25 | 2016 | 3–4 | 42.9% | #131 | 1,602 | 0 | 0 | — | — | — | — | — | — | — |
| 26 | 2017 | 2–9 | 18.2% | #219 | 1,536 | 0 | 0 | 2018 | 0–1 | 0.0% | #546 | 1,517 | 0 | 2 |
| 27 | 2018 | 1–1 | 50.0% | #401 | 1,536 | 0 | 0 | — | — | — | — | — | — | — |
Surface Results by Age
Seasons are aligned by the age each player spent most of that calendar year. 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.
| Age | Kai-Chen Chang | Bojana Jovanovski Petrovic | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 % | |||
| 18 | 2009 | 5 | 5 | 10 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | 2010 | 4 | 8 | 12 | 33.3% | 1 | 3 | 4 | 25.0% | 1 | 1 | 2 | 50.0% | — | — | — | — |
| 19 | 2010 | 7 | 9 | 16 | 43.8% | 1 | 4 | 5 | 20.0% | 1 | 2 | 3 | 33.3% | — | — | — | — | 2011 | 11 | 19 | 30 | 36.7% | 2 | 4 | 6 | 33.3% | 1 | 3 | 4 | 25.0% | — | — | — | — |
| 20 | 2011 | 1 | 5 | 6 | 16.7% | 0 | 1 | 1 | 0.0% | 0 | 2 | 2 | 0.0% | — | — | — | — | 2012 | 15 | 13 | 28 | 53.6% | 1 | 2 | 3 | 33.3% | 1 | 2 | 3 | 33.3% | — | — | — | — |
| 21 | 2012 | 9 | 8 | 17 | 52.9% | 0 | 1 | 1 | 0.0% | 0 | 2 | 2 | 0.0% | — | — | — | — | 2013 | 17 | 11 | 28 | 60.7% | 3 | 4 | 7 | 42.9% | 3 | 3 | 6 | 50.0% | — | — | — | — |
| 22 | 2013 | 1 | 4 | 5 | 20.0% | — | — | — | — | — | — | — | — | — | — | — | — | 2014 | 16 | 16 | 32 | 50.0% | 2 | 6 | 8 | 25.0% | 2 | 3 | 5 | 40.0% | 0 | 1 | 1 | 0.0% |
| 23 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2015 | 13 | 14 | 27 | 48.1% | 3 | 4 | 7 | 42.9% | 1 | 3 | 4 | 25.0% | — | — | — | — |
| 24 | 2015 | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — | 2016 | 0 | 3 | 3 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 25 | 2016 | 3 | 4 | 7 | 42.9% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 26 | 2017 | 2 | 7 | 9 | 22.2% | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | 2018 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — |
| 27 | 2018 | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 30 | 45 | 75 | 40.0% | 1 | 7 | 8 | 12.5% | 1 | 7 | 8 | 12.5% | — | — | — | — | — | 76 | 85 | 161 | 47.2% | 12 | 24 | 36 | 33.3% | 9 | 15 | 24 | 37.5% | 0 | 1 | 1 | 0.0% |
Performance Progression by Age
Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 84/91 of Kai-Chen Chang's and 199/222 of Bojana Jovanovski Petrovic'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.
| Age | Kai-Chen Chang | Bojana Jovanovski Petrovic | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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% | |
| 18 | 2009 | 9/10 | 1.0 | 4.1 | 64.7% | 59.0% | 43.6% | 58.2% | 54.3% | 53.4% | 47.7% | 2010 | 17/18 | 1.3 | 2.6 | 65.7% | 56.8% | 37.9% | 47.3% | 48.4% | 50.8% | 41.4% |
| 19 | 2010 | 22/24 | 1.6 | 6.8 | 58.9% | 58.6% | 41.8% | 54.0% | 46.2% | 51.7% | 44.6% | 2011 | 39/40 | 1.8 | 3.2 | 65.6% | 58.8% | 42.3% | 49.4% | 43.9% | 53.2% | 43.1% |
| 20 | 2011 | 9/9 | 1.7 | 4.6 | 63.3% | 61.6% | 39.8% | 49.4% | 42.5% | 53.4% | 40.5% | 2012 | 31/34 | 1.7 | 4.1 | 64.2% | 58.4% | 41.2% | 46.6% | 51.7% | 52.1% | 45.3% |
| 21 | 2012 | 18/20 | 1.8 | 5.3 | 59.7% | 62.2% | 41.6% | 43.4% | 47.6% | 54.1% | 43.1% | 2013 | 37/41 | 1.5 | 4.6 | 63.1% | 62.1% | 45.1% | 51.8% | 54.8% | 55.9% | 44.0% |
| 22 | 2013 | 4/5 | 0.5 | 7.3 | 58.3% | 63.2% | 38.3% | 61.1% | 54.1% | 52.8% | 44.6% | 2014 | 45/46 | 2.3 | 4.6 | 60.9% | 62.5% | 41.5% | 46.4% | 38.7% | 54.1% | 41.5% |
| 23 | — | —/— | — | — | — | — | — | — | — | — | — | 2015 | 25/38 | 1.8 | 4.0 | 64.7% | 59.1% | 43.8% | 47.5% | 51.8% | 53.4% | 41.9% |
| 24 | 2015 | 2/3 | 2.0 | 3.0 | 62.9% | 55.7% | 48.8% | 62.9% | 52.6% | 53.0% | 47.3% | 2016 | 4/4 | 1.0 | 2.5 | 61.2% | 44.4% | 24.4% | 33.9% | 16.7% | 36.6% | 32.7% |
| 25 | 2016 | 7/7 | 1.6 | 7.1 | 57.2% | 62.9% | 41.9% | 56.2% | 48.6% | 54.3% | 47.2% | — | —/— | — | — | — | — | — | — | — | — | — |
| 26 | 2017 | 11/11 | 2.0 | 7.5 | 57.6% | 55.9% | 34.9% | 51.1% | 38.8% | 46.9% | 39.9% | 2018 | 1/1 | 3.0 | 4.0 | 63.2% | 48.8% | 36.0% | 33.3% | 66.7% | 44.1% | 34.9% |
| 27 | 2018 | 2/2 | 1.0 | 5.5 | 63.9% | 60.4% | 38.2% | 56.7% | 60.0% | 52.2% | 50.9% | — | —/— | — | — | — | — | — | — | — | — | — |
| Career | — | 84/91 | 1.6 | 6.0 | 60.0% | 59.9% | 40.8% | 52.1% | 47.1% | 52.3% | 44.0% | — | 199/222 | 1.8 | 4.0 | 63.7% | 59.7% | 41.9% | 47.9% | 46.9% | 53.2% | 42.7% |
Advanced Statistics Comparison by Age
Seasons are aligned by the age each player spent most of that calendar year. 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.
| Age | Kai-Chen Chang | Bojana Jovanovski Petrovic | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | |
| 18 | 2009 | 1558 | 119.4 | -1.06 | +1.66 | 1.024 | 50.6% | +11 | — | — | 50.0% | +0.08 | 2–2 (50%) | 2–2 (50%) | 102.0 | +0.20 | 2010 | 1531 | 114.5 | -2.51 | -1.59 | 0.841 | 46.2% | +13 | -17 | — | 32.5% | -1.22 | 3–1 (75%) | — | — | -0.04 |
| 19 | 2010 | 1565 | 115.7 | -2.81 | +0.01 | 0.923 | 48.1% | +27 | -48 | +36 | 41.1% | -0.68 | 3–7 (30%) | 1–0 | — | -0.25 | 2011 | 1547 | 128.9 | -1.89 | -0.36 | 0.921 | 48.2% | +6 | -18 | +15 | 37.1% | -1.03 | 4–7 (36%) | 4–7 (36%) | 97.3 | -1.36 |
| 20 | 2011 | 1489 | 107.6 | -1.48 | -2.00 | 0.870 | 47.1% | +59 | — | — | 27.3% | -1.55 | 0–4 (0%) | 1–0 | — | +0.22 | 2012 | 1618 | 120.6 | -2.69 | +0.80 | 0.946 | 48.6% | +12 | -75 | -38 | 45.3% | -0.29 | 7–4 (64%) | 2–4 (33%) | 103.0 | +0.73 |
| 21 | 2012 | 1579 | 117.3 | -2.25 | -0.69 | 0.939 | 48.7% | +62 | — | — | 44.2% | -0.47 | 2–3 (40%) | 4–2 (67%) | 100.8 | -0.04 | 2013 | 1726 | 131.6 | +0.33 | +0.31 | 0.998 | 50.1% | +11 | -145 | -164 | 55.2% | +0.22 | 7–7 (50%) | 7–2 (78%) | 102.6 | -0.10 |
| 22 | 2013 | 1532 | 98.7 | -1.81 | -0.42 | 0.946 | 49.0% | +42 | — | — | 25.0% | -1.17 | 1–1 | 0–2 | — | +0.21 | 2014 | 1614 | 113.7 | -1.74 | -2.06 | 0.905 | 47.9% | +21 | -83 | -23 | 40.0% | -0.72 | 14–4 (78%) | 2–6 (25%) | 105.8 | +0.57 |
| 23 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2015 | 1620 | 111.9 | -3.72 | +0.36 | 0.900 | 47.8% | +1 | -82 | -66 | 39.1% | -0.66 | 11–2 (85%) | 3–7 (30%) | 107.3 | -0.12 |
| 24 | 2015 | 1529 | 107.9 | -0.55 | -0.03 | 1.007 | 50.3% | +36 | — | — | 33.3% | -0.33 | — | — | — | -0.01 | 2016 | 1555 | 84.5 | -4.79 | -2.24 | 0.516 | 35.1% | -2 | — | — | 0.0% | -4.88 | — | — | — | -0.31 |
| 25 | 2016 | 1603 | 113.2 | -1.35 | +0.69 | 1.031 | 50.7% | +29 | — | — | 41.2% | +0.18 | 2–1 (67%) | — | — | +0.28 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 26 | 2017 | 1537 | 106.9 | -5.20 | -1.20 | 0.751 | 43.4% | +36 | — | — | 17.4% | -2.39 | 1–0 | 1–1 | — | -0.21 | 2018 | 1518 | 94.6 | +0.08 | -0.64 | 0.624 | 40.5% | — | — | — | 0.0% | -4.00 | — | — | — | -0.07 |
| 27 | 2018 | 1536 | 102.0 | -0.12 | -0.26 | 1.065 | 51.5% | — | — | — | 50.0% | +0.50 | — | 0–1 | — | +0.27 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1646 | 117.6 | -2.39 | -0.31 | 0.921 | 48.2% | +38 | -48 | +36 | 37.7% | -0.76 | 11–18 (38%) | 9–8 (53%) | 98.4 | +0.74 | — | 1736 | 122.2 | -1.90 | -0.49 | 0.912 | 48.0% | +11 | -76 | -64 | 41.6% | -0.64 | 46–25 (65%) | 18–26 (41%) | 107.3 | -0.32 |
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.
Bojana Jovanovski Petrovic
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Caroline Wozniacki | 2 | 5 | 7 | Oct 5, 2015 | H2H |
| María-Teresa Torró-Flor | 4 | 1 | 5 | Jan 8, 2015 | H2H |
| Sorana Cirstea | 3 | 2 | 5 | Jul 28, 2014 | H2H |
| Urszula Radwanska | 2 | 2 | 4 | Jul 24, 2015 | H2H |
| Yanina Wickmayer | 0 | 4 | 4 | Jun 12, 2015 | H2H |