Germany's Alexander Zverev and Mischa Zverev have made the Abierto Mexicano Telcel semi-final after stunning second-seeded Bob Bryan and Mike Bryan on the hard courts of Acapulco. The Zverev brothers lost a tight first set but refused to give up as they came from a set down to beat the greatest ever doubles pair 5-7 6-4 10-7. The Zverevs failed to convert a break point in the opening game of the match but the Bryans also didn't realize their first break point of the match in the following game. No break points were seen until the 12th game, when the second seeds broke the German duo to love to claim the opener. The Zverev brothers saved a break point in the fourth game of the second set before they earned their first break of the match in the following game to take a 3-2 lead. The Germans blew four consecutive break points in the seventh game but managed to serve out for the set as the Bryans failed to convert a break point in the eighth game. The Zverevs continued their run at the beginning of the third set as they got off to a quick 5-1 match tie-break lead but the Bryans won three points in a row to reduce the deficit to 5-4. Yet, the Americans never managed to tie the result in the decider as the Germans converted their first match point to set up a semi-final against 2016 French Open doubles champions Feliciano Lopez and Marc Lopez. The Zverev brothers converted just 1-of-7 of their break points chances but also saved 3-of-4 of the break point chances they faced throughout the match. Interestingly, each pair won a total of 69 points in an hour and 25 minutes of play. The head-to-head record between the two pairs now stands as 1-1 as the Bryans beat the Zverevs at the BNP Paribas Open in Indian Wells two years ago.