Wimbledon champion Stefan Olsson has been knocked out in the quarter-finals of the British Open Wheelchair Tennis Championships in Nottingham ©Getty Images

Great Britain's Alfie Hewett knocked out the reigning Wimbledon champion Stefan Olsson in the quarter-finals of the men's singles at the British Open Wheelchair Tennis Championships today.

Hewett, who won the Wimbledon doubles title last week alongside Gordon Reid, beat Sweden's Olsson 7-5, 6-4 in the first match on centre court at the Nottingham Tennis Centre.

Hewett’s doubles partner Reid came on next, knowing the winner of his match with France's Stephanie Houdet would play Hewett in the semi-finals.

A match between the Wimbledon doubles champions was not to be, however, as Houdet, the number four seed, took the win 6-2, 6-3.

South Africa's Kgothatso Montjane retired ill from her quarter-final, with the score 1-3 in the first set ©Getty Images
South Africa's Kgothatso Montjane retired ill from her quarter-final, with the score 1-3 in the first set ©Getty Images

On the other side of the draw the number one seed, Japan's Shingo Kunieda, cruised past Joachim Gerard of Belgium 6-1, 6-1 in his quarter-final, before Argentina’s Gustavo Fernandez saw off Kunieda's compatriot Takeshi Sanada 6-3, 6-0 to complete the semi-final line up.

In the women's singles, Britain's Lucy Shuker lost to Germany's Sabine Ellerbrock in their quarter-final, 6-3, 6-2, while the number one seed Diede de Groot from The Netherlands beat Colombia's Angelica Bernal 6-0, 6-1.

Another Dutchwoman, Aniel van Koot, is also through to the semi-finals after beating American Dana Matthewson 6-3, 6-4.

She will play Japan's Yui Kamiji in the last four, who made it through after her opponent Kgothatso Montjane from South Africa retired ill in the first set.