David Goffin

World number one’s shock first-round exit orchestrated by Belgian opponent at Astana Open

Spaniard saves four match points en route to 6-3, 5-7, 7-6 win over Goffin in Madrid Open

Stefanos Tsitsipas, Matteo Berrettini and David Goffin, who are all in the world top 10, are also involved

Russian held off David Goffin 7-6 (7/3), 6-4 Sunday to win the ATP Cincinnati Masters

Spaniard faces against former top-10 player Goffin while Swiss superstar will have a match with Norway's Casper Rudd

Australian power-hitter fires 25 aces to claim the title