H2H data updated: 2026-07-19 02:51 UTC
Casey Dellacqua vs Zi Yan H2H: 1-0
Casey Dellacqua holds a 1–0 lead over Zi Yan in their WTA head-to-head. Across 1 main-draw meeting, Casey Dellacqua leads 1–0 on grass. Most recently, Casey Dellacqua won the 2007 Birmingham second round 6-2 6-2.
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AUS
Age 41
Left-Handed
165 cm / 5'5"
H2H
1
–
0
1 main draw meetings
HKG
Right-Handed
171 cm / 5'7"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Jun 13, 2007* | Birmingham | WTA 500 | R64 | Grass | Casey Dellacqua | 6-2 6-2 | Zi Yan | Match data |
* Estimated match date where the exact historical date is unavailable.
Career Comparison
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 | Finals | 500 | 250 | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Casey Dellacqua | #932 | #26 | 1,725 | 1,761 | 79 | 105 | 42.9% | 0 | 0 | 0 | 0 | 0 | 0 |
| Zi Yan | #789 | #40 | 678 | 1,634 | 34 | 57 | 37.4% | 0 | 0 | 0 | 1 | 0 | 1 |
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.
| Casey Dellacqua | Zi Yan | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 2003 | 0–1 | 0.0% | #287 | 1,490 | 0 | 0 | 2002 | 0–1 | 0.0% | #297 | 1,486 | 0 | 0 |
| 2004 | 0–2 | 0.0% | #291 | 1,473 | 0 | 0 | 2003 | 2–3 | 40.0% | #161 | 1,486 | 0 | 0 |
| 2005 | 1–2 | 33.3% | #195 | 1,475 | 0 | 0 | 2004 | 0–4 | 0.0% | #296 | 1,451 | 0 | 0 |
| 2006 | 3–4 | 42.9% | #157 | 1,502 | 0 | 0 | 2005 | 8–4 | 66.7% | #104 | 1,574 | 0 | 1 |
| 2007 | 6–12 | 33.3% | #86 | 1,502 | 0 | 0 | 2006 | 6–16 | 27.3% | #166 | 1,485 | 0 | 1 |
| 2008 | 17–16 | 51.5% | #53 | 1,618 | 0 | 0 | 2007 | 10–12 | 45.5% | #58 | 1,561 | 0 | 1 |
| 2009 | 0–3 | 0.0% | #1002 | 1,587 | 0 | 0 | 2008 | 7–13 | 35.0% | #126 | 1,541 | 0 | 1 |
| 2010 | 2–5 | 28.6% | #227 | 1,555 | 0 | 0 | 2009 | 0–3 | 0.0% | #306 | 1,498 | 0 | 1 |
| 2011 | 3–5 | 37.5% | #134 | 1,535 | 0 | 0 | 2010 | 1–1 | 50.0% | #422 | 1,505 | 0 | 1 |
| 2012 | 10–14 | 41.7% | #101 | 1,584 | 0 | 0 | — | — | — | — | — | — | — |
| 2013 | 1–8 | 11.1% | #142 | 1,484 | 0 | 0 | — | — | — | — | — | — | — |
| 2014 | 27–17 | 61.4% | #29 | 1,745 | 0 | 0 | — | — | — | — | — | — | — |
| 2015 | 9–16 | 36.0% | #116 | 1,629 | 0 | 0 | — | — | — | — | — | — | — |