![Stefanos Tsitsipas is through to the Washington Open quarter-finals. EPA](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/SABQ3V7BVYEZ7JBMS3LC5UVGUY.jpg?smart=true&auth=e3b7a546f1c62e275e83a94d7f492bad5ce0b72f4cc0eeac07ef2c8e41b25396&width=400&height=225)
Stefanos Tsitsipas is through to the Washington Open quarter-finals. EPA
Stefanos Tsitsipas is through to the Washington Open quarter-finals. EPANo 1 Stefanos Tsitsipas plays 'smart' to reach Washington quarter-finals as Nick Kyrgios also prevails
Greek player has to fight hard to get the better of Jordan Thompson on Thursday