Carlos Alcaraz

The Spanish teenager had just held serve for a 6-4, 5-3 lead in his opening match when the skies opened.

Monday's Argentina Open champion Carlos Alcaraz was one game away from victory against Mateus Alves before heavy rain halted play at the Rio Open first ...

Alcaraz is the reigning Rio Open champion. Cameron Norrie, who Alcaraz beat in the Argentina Open final, progressed with a 7-5 6-1 win over Juan Manuel Cerundolo in one hour and 29 minutes. [WATCH the ATP Tour LIVE on beIN SPORTS

Defending champion Carlos Alcaraz and Cameron Norrie have carried over their momentum from last week's Argentina Open to the Rio Open in Brazil.

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A tennis-packed month of February on the ATP Tour will welcome some of the world's best players to Rio de Janeiro, Doha and Marseille next week.

I go to the track to enjoy myself, to have fun Well, try to improve. When I'm not playing tennis I consider myself a normal boy who he does normal things, and that helps me a lot to disconnect, which is important," the Spaniard said. A tennis-packed month of February on the ATP Tour will welcome some of the world's best players to Rio de Janeiro, Doha and Marseille next week.

Alcaraz will finish his match on Wednesday on the stadium court to try and reach the pre-quarterfinals.

A raindrop-nagged, wind-swept 12-minute seventh game ended with Alves netting a backhand to give Alcaraz a break for a 4-3 edge and the Spaniard held to move within a game of advancing. Alves surrendered a break in the fifth game of the second set when Alcaraz fired a backhand down the line but the Brazilian broke back to level at 3-3. Alcaraz swatted a forehand winner past 556th-ranked Alves to break for a 4-3 edge and held twice to claim the opening set.