This will be their first meeting since the 2017 World Championship final in Manchester in December, where Mohamed came out on top.

Number four seed Marwan produced a win over number two seed and compatriot Ali Farag in his semi-final by an 11-6, 13-11, 11-7 scoreline in Chicago whilst Mohamed, the favourite for the tournament, beat fellow Egyptian Tarek Momen 11-9, 11-7, 11-5.

After reaching his second straight Windy City Open final, Marwan said: "I'm so happy to reach another final in Chicago and if I could get my first ever World Series title here it would mean a lot.

"To play in another major final with my brother is amazing.

"We played in the World Championship final and to play against each other again, this time in Chicago, is fantastic."

Mohamed also commented on the prospect of facing his brother.

"I'm very happy to be playing my brother, he beat me here last year, so I will be looking for revenge," he said.

"I'm really happy with the way he has been playing this season and I'm really proud of him.

"He has been playing really well and playing with consistency and he is showing the whole world what he can do and what he can achieve.

"The way he played today was unbelievable to take Ali 3-0.

"We learn from each other but tomorrow he is going to go for me and I know he feels that this is his time to take his first World Series event and it's up to me to make sure that doesn’t happen."

In the women's draw, New Zealand's Joelle King caused an upset by knocking out Raneem El Welily of Egypt, who has won the last three PSA Windy City Open tournaments, to reach the final thanks to a 7-11, 11-7, 11-7, 7-11, 12-10 win.

Following her victory, Glasgow 2014 Commonwealth Games bronze medallist King, who suffered a career-threatening Achilles injury in 2014, said: "I'm just over the moon that I was able to hold my nerve in the end in what was another brutal battle.

"I definitely think I'm playing the best squash of my whole career right now.

"I think the injury helped me go away and figure out a few things that were missing in my game and I've never really looked back.

"The exciting thing is that I still feel like there is a lot more to come in my game.

"I think I'm just enjoying my squash which is the main thing and I think it shows and I'm really excited to be in the final."

King will now face world number three Nour El Tayeb of Egypt, who defeated England's Sarah-Jane Perry in five games.

El Tayeb, however, nearly threw her place in the final away as she allowed Perry to tie the match at 2-2 after winning the first two games.

She managed to shift the momentum back in her favour in the fifth game, however, eventually securing it 11-7 to take a 3-2 victory overall.

Both the men's and women's finals will bring the curtain down on the PSA Windy City Open tomorrow.