Warcraft 3: Survival Chaos 3.1 #25 - Bloodelf Airship Bonus!
Ever since I got my tier 4 magic, everything went up hill for me after that. I felt like I could have done a much better job defending at the start, but I do agree that it was tough to defend vs those 2 strong early game races.
Fortunately for me, the Fel Orc player seemed to be an inexperienced player not going for any income upgrades the whole game. In the end it showed that he wasn't very strong and was not able to get many upgrades since Demon was also contesting middle.
Download link to map: https://www.epicwar.com/maps/289157/