Baseline (Widescreen) Solution & Issues
Open "VIRTUA_TENNIS_PC.exe" in a hex editor.
Search for AB AA AA 3F and replace it with your aspect ratio six times (Common HEX Values).
The game will launch with maximum resolution 1280x960 and squashed, use dgVoodooCpl to fix this, set Scaling Mode to "Streched" and pick your desired resolution.
Few elements on menu screen will appear misplaced.
Ultra/Super-Wide (21:9/32:9) Specific Solution & Issues
Eyefinity / Surround Specific Solution & Issues
4k UHD Specific Solution & Issues
For 2880x2160 resolution
Using a hex editor change the following Addresses in VIRTUA_TENNIS_PC.exe
A2D2 to 40
A2D3 to 0B
A2DC to 70
A2DD to 08
Note this replaces the 1280x960 resolution, so make sure you have selected this option in the config
Stereoscopic-3D Solution & Issues