Elena-Maria secured a 6-4, 5-7, 10-8 win in the exhibition match that lasted almost two hours.
Elena-Maria started the match strongly and were heading for an easy win in the first set after taking a 5-2 lead but Sania and Zheng Jie decided to make it interesting for the fans.
The Asian pair broke Elena's serve to reduce the deficit to 3-5 before making a comeback from 0-40 down in the ninth game to stay in the set at 4-5.
However, Maria ended a possible comeback by winning her service game to secure the first set 6-4.
Sania-Zheng Jie drew level when they took the second set 7-5. However, Elena-Maria were the better pair on court yesterday and secured the match by winning the decider, a tie-break, 10-8.
In the singles matches today, Zheng Jie will play Maria in the first tie with the Russian having a slight edge while Elena will be the player to beat when she plays Sania in the second tie.