Simona Halep hangs on 🙌🏼 Rafa Nadal with straight sets 😏 Dominic Thiem prevails 👏🏼 Richard Gasquet upsets Nishikori 😮 Serena Williams wins first match since Wimbledon 💪🏼 Here's what went down on Day 3 of the Rogers Cup, #ICYMI.