Citi Open: Tiafoe into semi-finals, knocks out top seed Rublev

American Frances Tiafoe, the No 5 seed, moved into the semi-finals of the Citi Open by beating Russian Andrey Rublev, the top seed, 6-4, 7-6 (3) at the William H.G. FitzGerald Tennis Center in Washington on Saturday night.

Tiafoe, ranked No 29, will play American Sebastian Korda, the No 4 seed, next.

The American won against Colombian Daniel Elahi Galan (6-7 (8), 6-3, 6-3) and Aleksandar Kovacevic (7-6 (3), 4-6, 6-3) ahead of his victory.

Earlier in the tournament, Rublev, ranked No 8, edged out Frenchman Luca Van Assche (4-6, 6-3, 6-4) and won against Frenchman Arthur Rinderknech, the No 16 seed (7-6 (4), 6-4).

Washington ATP 500, other last eight results (William H.G. FitzGerald Tennis Center, hard, USD 2.100.230, most recent results first):

• Sebastian Korda beat Jordan Thompson (7): 6-4, 6-2
• Ben Shelton (2) beat Denis Shapovalov (WC): 7-6 (5), 6-6 (3) ret.
• Flavio Cobolli (10) beat Alex Michelsen (15): 7-5, 3-6, 7-6 (2)