Ken Skupski and Neal Skupski were crowned champions in Acapulco after clinching the title at the Abierto Mexicano.
The Skupski brothers defeated Jamie Murray and Bruno Soares in the quarter-finals before battling past Joe Salisbury and Rajeev Ram in the semi-finals
In the final, the Lancashire pair defeated top seeds Marcel Granollers and Horacio Zeballos in straight sets 7-6, 6-4 to clinch their first ATP 500 level title together.
Speaking on court, Ken said: "I'd like to thank Neal, actually. It's been a long road since we sort of broke up and got back together. This is a magic moment for both of us."
Following their win, Ken returns to top 50 in the doubles rankings while Neal will be at a career high of 23 on the ATP Tour rankings list.