Newport, 14 July 2013 | AAP/AP

Lleyton Hewitt will have to win two matches in one day if he’s to lift his first ATP Tour title in more than three years at the Hall of Fame Tennis Championships.

Heavy rain forced the postponement of the semi-finals at the grass court event at Newport, Rhode Island on Saturday after Frenchman Nicolas Mahut and American Michael Russell had played just three points.

Australian veteran Hewitt will now play his semi against big-serving American John Isner on centre court on Sunday morning at the same time as Mahut and Russell complete their match on court one.

There’ll be a break before the final is played in the afternoon.

Former world No.1 Hewitt, 32, is seeking his 29th title and the first since he won on grass at Halle in 2010.