as far as I'm aware SAA advanced till the last day of the war
Russia backed SAA , IRGC , Hezbolah attacked Turkish Forces to take whole Idlib
RESULT : after the Assad Regime attack on Turkish Forces in Idlib 27.02.2020 Turkish Armed Forces killed 3.322 Assad Regime militia including 6 generals and Iran backed terrorists in 4 days
also Turkish Armed Forces destroyed
3 UAVs
2 SU-24 Fighter Jets
1 L-39 Aircraft
8 Helicopters
8 Air Defense Systems
155 Tanks
51 Howitzers
52 MLRS
29 AFVs
68 Military Vehicles
15 Anti Tank Weapons
36 Pick-up mounted anti aircraft guns
49 Ammunition Trucks
10 Ammunition Storage
2 Missile Systems
USA and Russia block Turkiye in Syria
otherwise PKK/YPG , ISIS , SAA , IRGC and Hezbollah are nothing in front of the Turkish Army
on the other hand , Nobody block S.Arabia in Yemen
S.Arabia needs enter Yemen with land forces to crush İran's influence in Yemen
but S.Arabia has no this military capability