Fourth seed Davidson, who is the world number five, picked up a 7-6, 6-2 win at the Dwight Davis Tennis Center in Forest Park to secure a place in his first Super Series final.

It was his second win in a week over Wagner, who he beat at last weekend’s final at the International Tennis Federation 1 Series Birmingham Canadian Classic.

Awaiting Davidson in the final is Great Britain’s Andy Lapthorne, who beat world number four Lucas Sithole 3-6, 6-2, 6-1 to repeat his win over the South African from last month's British Open Championships semi-finals in Nottingham. 

Davidson has yet to beat world number two Lapthorne, but he will look to change that when they go up against each other tomorrow.

Lapthorne will be contesting his second-straight Super Series singles final.

Argentina’s Gustavo Fernández remains on track for a possible hat-trick of Super Series titles after booking his place in the men’s singles final against France’s Stéphane Houdet.

The world number one beat Britain's Alfie Hewett 6-4, 6-1 in a repeat of the British Open Championships title decider.

It sets up a rematch of last year’s US Open Super Series final against fourth seed and defending champion Houdet, who beat Japan’s Shingo Kunieda 6-4, 7-5.

Houdet won last year’s final 6-3, 6-3, which marks his most recent victory over Fernández.

In the women’s doubles final, Japan’s Yui Kamiji and Britain’s Lucy Shuker completed a thrilling comeback to beat Dutch top seeds Marjolein Buis and Diede de Groot 2-6, 6-2 7-6.

The pair recovered from 5-0 down in the final set to win their first Super Series title together.

Top seeds Lapthorne and Wagner claimed the quad doubles title without dropping a single game, beating second seeds Antony Cotterill of Britain and Davidson with their third-straight 6-0, 6-0 victory of the week.

It secured the three-time Australian Open quad doubles champions their first Super Series title together.

The men’s doubles final saw France's Houdet and Nicolas Peifer make it five titles from this year’s six Super Series tournaments.

The top seeds and reigning Paralympic champions earned a 6-3, 6-1 win over fourth seeds Fernández and Kunieda, who were teaming up for just the second time after making their debut as a doubles partnership at Wimbledon in July.