Halle Open: Jannik Sinner edges past Griekspoor on World No.1 debut
Jannik Sinner battled past Tallon Griekspoor 6-7(8), 6-3, 6-2 in a tense opening match at the Halle Open.
Khachanov reached the Halle Open quarter-finals after the withdrawal of Nishikori.
Russian tennis player Karen Khachanov on Thursday reached the Halle Open quarter-finals after the withdrawal of Japan's Kei Nishikori due to injury.
After receiving medical treatment on the court to treat a back injury, the World No.9 Japanese player opted to pull out after 34 minutes, with the score at 3-2, reports Efe.
The 21-year-old Russian now advances to the quarter-finals to play against the winner of the match between his compatriots Mikhail Youzhny and Andrey Rublev.
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