Aryna Sabalenka beat Karolina Muchova 7–6(2), 7–5 on Monday in their opening group match at the WTA Finals. The match lasted one hour and 53 minutes.
Sabalenka, who won both Indian Wells and Miami earlier this year, has won her opening match at five consecutive WTA Finals. Muchova entered Monday with a 12–0 tiebreak record for the season.
Source: Official event coverage.
Photo: WTA/Getty Images.
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