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PALMA DE MALLORCA, SPAIN - JUNE 18: Rafael Nadal of Spain hits a shot in a practice session during day two of the WTA Mallorca Open at Country Club Santa Ponsa on June 18, 2019 in Mallorca, Spain. Rafael Nadal held his practice after winning Roland Garros. He starts preparing for Wimbledon. on June 18, 2019 in Palma de Mallorca, Spain. (Photo by Quality Sport Images/Getty Images)

PALMA DE MALLORCA, SPAIN - JUNE 18: Rafael Nadal of Spain hits a shot in a practice session during day two of the WTA Mallorca Open at Country Club Santa Ponsa on June 18, 2019 in Mallorca, Spain. Rafael Nadal held his practice after winning Roland Garros. He starts preparing for Wimbledon. on June 18, 2019 in Palma de Mallorca, Spain. (Photo by Quality Sport Images/Getty Images)