Federer, Djokovic make Shanghai semis

Results from quarter finals in four tournaments being contested this week 

ATP Shanghai 

• Sascha Zverev (4) defeated Kyle Edmund (11) 6-4 6-4
• Novak Djokovic (2) defeated Kevin Anderson (7) 7-6(1) 6-3, and will play Sascha Zverev in the semis
• Borna Coric (13) defeated Matthew Ebden 7-5 6-4
• Roger Federer (1) defeated Kei Nishikori (8) 6-4 7-6(4), and will play Borna Coric in the semis

WTA Tianjin 

• Wildcard Karolina Pliskova (1) defeated Katie Boulter 5-7 6-0 6-3
• Timea Bacsinszky defeated Aryna Sabalenka (4) 7-6(2) 7-6(5), and will play Karolina Pliskova in the semis
• Su-Wei Hsieh (5) defeated Elise Mertens (3) 6-2 4-0 (retired)
• Caroline Garcia (2) defeated Petra Martic (6) 6-2 1-0 (retired), and will play Su-Wei Hsieh in the semis 

WTA Hong Kong 

• Garbiñe Muguruza (4) defeated Luksika Kumkhum 6-2 7-5
• 18 year old Dayana Yastremska defeated Kristina Kucova 7-6(6) 6-2

Dayana began the year ranked 188, but three ITF finals, including a title win in Italy, plus this breakthrough performance at WTA Tour level, will see the Ukraine player jump into the top 100 at around 86, mid sixties should she win the tournament.

• Shuai Zhang defeated Dasha Gavrilova (7) 6-1 6-3, and will play Dayana Yastremska in the semis
• Qiang Wang (6) led Elina Svitolina (1) 6-2 5-2 when rain stopped play for the day.  The winner of that match will play Garbiñe Muguruza in the semis 

WTA Linz

• Wildcard Andrea Petkovic defeated Kiki Mladenovic 6-1 6-3
• Alison Van Uytvanck defeated Barbora Strycova (3) 3-6 6-4 6-4
• Camila Giorgi (5) defeated Margarita Gasparyan 6-3 3-6 6-2, and will play Alison Van Uytvanck in the semis
• Quarter Ekaterina Alexandrova defeated fellow Russian Anastasia Pavlyuchenkova (6) 6-3 7-5, and will play Andrea Petkovic in the semis