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 think they’re actually two different styles. 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.