There is no doubt that Star Captain and Nekroz are the Best PUBG Mobile TDM players. Comparing Beast vs Beast will be difficult because Every one has special skills in some points.
Star Captain vs Nekroz TDM Match History
If we look both PUBG players each others TDM challenges matches. They faced each other in Friendly TDM matches and also in Tough Competitive/Scrims Matches.
Star Captain Wins 60% of matches against Nekroz Pubg mobile.
Star Captain Gets leads against Nekroz PUBG Mobile. Because Captain has Better performance in every aspect. So the overall winner is Star Captain.
If we talk about push skills here I would definitely says that Nekroz has much better skills then Star Captain.