
Kim Birrell's hopes of battling her way to another WTA final have been scuppered by American Ann Li after two tough tiebreak sets in the quarter-finals of the Singapore Open.
The Australian No.1 succumbed 7-6 (7-4) 7-6 (7-2) to the US world No.85 after a tight one hour 48-minute battle at the Kallang Tennis Hub on Friday, ending her hopes of reaching a second WTA final.