Fisto would win. Fisto was highly advanced in spirit, force and sabreskills and was also physically strong and had great fighting stamina- still young for a nautolan at 45. His tentacles can sense change in chemical signature, his style of fighting was jar'kai fencing, splashes of ataru movements but overwhelmingly an unexplored, unorthodox usage of shii cho- wild, blitzing, immersive and dangerous, chaotic, unpredictable and unfamiliar to all adversaries when fully mastered and pushed to the furthest degree.. not to mention fisto is cunning, a master of improvisation, by the time of his death, the jedi council member was a galactic hero and decorated, battle-hardened high general of the clone war.
Though he didn't last long against sidious, it's important to note that sidious wanted him dead and out of the way immediately without having to have a long fight, and with maul vs obi and qui gon, that was a different fight in which maul was eager for a drawn out fight and to, for lack of a better expression, play with his food.. He was arrogant and wanted to show off his skills, so he kept qui gon alive until he got bored. This is all while maul is sidious's inferior and dooku's superior (contentious statement but one i believe nonetheless which is also backed by the trump cards).
So what do we have, we have qui gon who is on the other side of 60, gets tired if he exerts himself too long and starts to lose his game with anything exceeding short bursts of action, his force abilities extending mainly to his surroundings.. While other jedi use the force to for themselves and try to harness and control it, qui gon lets the force use him in a very pacifist, spiritually connected way where he accepts that he's simply a small cog in a bigger plan. Qui gon sacrifices his potential to use the force in life to be powerful, so he can uncover hidden secrets and become powerful after death. In the meantime while alive, qui gon only knows the bare essentials like affect mind and object manipulation and some telekinesis, just enough to pass as satisfactory for success in jedi ranks while the rest is focused on letting the force guide him, recieve rather than transmit. Qui gon studied lightsaber style soresu to block blasterfire and have well rounded defensiveness against blasterfire and strikes, while incorporating bare elements from ataru as a more proactive approach against force sensitive, unique assailants.
So i think force wise, natural gift wise, physicality wise and fighting wise, kit is the superior master.