Miami Open RESULTS: Federer in action, Wawrinka and Osaka crash OUT, Williams WITHDRAWS
MIAMI OPEN results: All the results from day four at the Hard Rock Stadium Complex.
Roger Federer, a three-time champion, begins his Miami Open campaign against in-form Radu Albot in the third match on Hard Rock Stadium.
David Ferrer plays second seed Alexander Zverev in his last appearance at the tournament.
And elsewhere, Grigor Dimitrov, Stefanos Tsitsipas, Kevin Anderson and Marin Cilic are all playing their second-round matches.
On the WTA tour, Naomi Osaka is the headline performer as she plays Hsieh Su-wei while Angelique Kerber plays rising Canadian star Bianca Andreescu.
MIAMI OPEN RESULTS - DAY FOUR
ATP
Krajinovic beat Wawrinka 5-7 6-2 7-6
Albot vs Federer
Ferrer vs Zverev
Dimitrov beat Lopez 6-1 6-3
Tsitsipas vs McDonald
Shapovalov beat Evans 4-6 6-1 6-3
Anderson beat Munar 6-4 3-6 6-3
Rublev vs Cilic
Tiafoe vs Kecmanovic
Thompson beat Khachanov 6-2 6-3
Opelka vs Schwartzman
Medvedev beat Mannarino 6-2 6-1
Miami Open: Federer asked BIZARRE question by reporter
Sousa beat Johnson 7-6 6-4
Cecchinato vs Dzumhur
Mayer beat Pella 6-2 6-4
Goffin beat Andujar 6-4 6-1
WTA
Osaka beat Hsieh 4-6 7-6 6-3
Andreescu vs Kerber
Kvitova beat Vekic 6-4 3-6 6-4
Niculescu vs Wozniacki
Tomljanovic vs Kontaveit
Kuzmova vs Bertens
Garcia beat Goerges 6-0 7-5
Barty beat Stosur 6-0 6-3