Nadal enters Madrid Open with improvement on his mind

Rafael Nadal of Spain reacts after winning the final Godo tennis tournament against Stefanos Tsitsipas of Greece in Barcelona, Spain, Sunday, April 25, 2021. Nadal won by 6-4, 6-7, 7-5 (AP Photo/Joan Monfort)

Rafael Nadal of Spain reacts after winning the final Godo tennis tournament against Stefanos Tsitsipas of Greece in Barcelona, Spain, Sunday, April 25, 2021. Nadal won by 6-4, 6-7, 7-5 (AP Photo/Joan Monfort)

Rafael Nadal of Spain holds the trophy after winning the final Godo tennis tournament against Stefanos Tsitsipas of Greece in Barcelona, Spain, Sunday, April 25, 2021. Nadal won by 6-4, 6-7, 7-5 (AP Photo/Joan Monfort)