Sandgren d. Carballes Baena

Sandgren beat Carballes Baena 4-6, 6-1, 4-3, ret. after Carballes Baena retired in the first round at the Rio Open - Rio de Janeiro. Sandgren won 73 of 135 points (54%). Sandgren hit 8 aces to 0 and won 78% of points behind the first serve (28/36) against 74% for Carballes Baena. The second serve told: 56% won for Sandgren, 38% for Carballes Baena. Sandgren converted 4 of 6 break points and saved 2 of 4 faced; Carballes Baena converted 2 of 4. The match was played on clay in Brazil.