Citi Open | The Business Standard

Aug 4, 2019; Washington, D.C., USA; Nick Kyrgios of Australia celebrates with the Donald Dell Trophy after his match against Daniil Medvedev of Russia (not pictured) in the menÕs singles final of the 2019 Citi Open at William H.G. FitzGerald Tennis Center. Reuters

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Kyrgios fights off back spasms to win Citi Open title

The Australian won 7-6(6) 7-6(4) over a frustrated world number nine Medvedev for his sixth career ATP Tour victory.