Round-up: Top seed Rafa Nadal will open his Indian Wells title defence against Radek Stepanek after the Czech beat Denis Istomin.
Bulgarian prospect Grigor Dimitrov will move into the world's top 16 for the first time after winning the Mexico Open.
Bulgaria's Grigor Dimitrov edged out South Africa's Kevin Anderson 7-6 (7-1) 3-6 7-6 (7-5) in a three-hour slugfest to claim his second career title with
Andy Murray saw his progress at the Acapulco Open ended abruptly in the semi-finals after Grigor Dimitrov sealed a 5-6 7-6 7-6 victory.
Andy Murray again recovered from a poor start before moving past Gilles Simon and into the semi-finals of the Acapulco International.
Round-up: Andy Murray swept aside Joao Sousa 6-3 6-4 to move into the quarter-finals of the Mexican Open in Acapulco.
Andy Murray had to come from a set down to beat Pablo Andujar 3-6 6-1 6-2 in the first round of the Acapulco International.
Marin Cilic's run of red-hot form continued on Sunday as he beat Kevin Anderson 7-6 6-7 6-4 to win the Delray Beach Open title.
Croatian Marin Cilic continued his recent run of sizzling form by overpowering John Isner 7-6 (7-5) 6-3.
Round-up: Rafael Nadal again proved his troublesome back is not affecting his game as he swept into the semi-finals in Rio.
Richard Gasquet and Jo-Wilfried Tsonga both came through their quarter-finals at the ATP Marseille Open.
Round-up: David Ferrer led a Spanish charge into the quarter-finals of the Rio de Janeiro Open with victory over Federico Delbonis.
ATP World Tour Finals
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