The 43-year-old, who had entered the tournament with a career-high ranking of world no. 3, and Australian Ebden recorded a comfortable 6-4, 7-6 (5) win over sixth seeded Argentinian duo of Mximo Gonzlez and Andrs Molteni in the quarterfinals that lasted an hour and 46 minutes here.
The second-seeded Indo-Australian pair will cross swords with unseeded Tomas Machac and Zhizhen Zhang in the semi-finals.
Bopanna will be crowned the new numero uno on Monday after the end of the tournament.
Earlier, Rajeev Ram of the USA was the oldest player to be ranked world no. 1 when he had achieve the top ranking in October 2022 at the age of 38 for the first time in his career.
Ebden, on the other hand, is set to reach the world no 2.
Bopanna, who had achieved the highest r