Sabalenka has machine-like consistency - but she's no 'robot'

Aryna Sabalenka has produced a consistency at the Grand Slam tournaments which is unrivalled in the women's game. With a powerful style translating across court surfaces, the world number one has made 12 semi-final appearances in her past 13 major tournaments - with the latest coming when she faces Jessica Pegula at the US Open on Thursday. But here's the kicker - Sabalenka's tendency to combust at a critical juncture means only three of those have resulted in titles. None of the 27-year-old Belarusian's runs at this year's majors have ended with the trophy. In the Australian Open final, French Open final and Wimbledon semi-finals, an erratic level has led to devastating defeats.