World No.1 Ash Barty whitethorn not support her WTA Finals rubric owed to the tourney being moved to high-altitude conditions successful Mexico, according to her coach.
After being bundled retired of the US Open and the Tokyo Olympics earlier than expected, Barty's coach, Craig Tyzzer, says the 25-year-old is "physically and mentally exhausted".
Tyzzer says the WTA Finals being shifted from Shenzhen, China to Guadalajara, Mexico means Barty is little apt to marque an quality to support the rubric she won backmost successful 2019, the tournament's astir caller iteration, owed to what helium deems "ridiculous" playing conditions.
"We lone conscionable recovered retired it's successful Mexico astatine 1500 metres [above oversea level] and they're utilizing pressure-less balls," helium told AAP connected Wednesday.
"Pressure-less balls perfectly fly. It's a shot that, if you usage it successful mean conditions, it doesn't bounce. It's not the top advertisement for the champion girls successful the satellite to beryllium playing thing they've ne'er done before.
"In conditions they've ne'er played, successful a state they don't play and astatine altitude, I conscionable consciousness it's ridiculous. As a spectacle, it's conscionable frightening."
While Barty is yet to officially propulsion the plug connected the tournament, Tyzzer admitted that it was "a determination we'll person to beryllium and mull implicit rather a bit".
"Indian Wells (next month) is inactive connected the radar but she conscionable needs a rest," helium said. "So I told her to conscionable get distant and person a holiday."
"It surely isn't casual for america to get determination and to play that lawsuit successful Mexico and past to travel backmost and person to bash 2 weeks [in quarantine] and past your summertime is benignant of ruined arsenic well."