Looks like these are the original Asics Gel Domain shoes.
I’ve seen these on Kylie Lindsay from New Zealand, who was wearing them at the Hong Kong Open.
Here’s Spanish #1 Borja Golan sporting these:
Image via SquashSite ∞
And here’s German #1 Simon Rosner:
Note: In some of the pictures, the soles look green. In other pictures they look yellow. I’m not sure if they’re the same shoe or actually two different styles, so the affiliate links below are for both versions of the shoe.
There’s also this red guy:
Also check out the Asics Gel Domain 2, as worn by Mohamed El Shorbagy.