In a reverse of Friday morning’s FP1 session, Marquez led Martin by 0.174 seconds after posting a 1m57.823s on his last flying lap.
KTM duo Jack Miller and Brad Binder trailed the Ducati pair, whereas Maverick Vinales was fifth on his manufacturing facility Aprilia as team-mate Aleix Espargaro crashed 3 times.
Championship chief Francesco Bagnaia was eighth and secured a spot instantly into Q2 for Saturday’s qualifying.
The hour-long second observe session occurred beneath gray skies on the Sepang Worldwide Circuit, however the rain stayed away.
Marc Marquez set the early tempo on his manufacturing facility Honda at 1m59.515s earlier than youthful brother Alex edged forward with a 1m58.705s simply over 5 minutes in.
This could keep because the reference lap for some time, earlier than Martin posted a 1m58.523s with round 38 minutes to go.
With just below quarter-hour to run, Bagnaia took over from Martin with a 1m58.493s, solely to be instantly deposed by Yamaha’s Fabio Quartararo.
Quartararo’s 1m58.399s didn’t hold him high for lengthy, as KTM’s Binder edged forward with a 1m58.310s earlier than Martin fired in a 1m58.227s with just below 11 minutes to go to return to high spot.
Martin moved to cement his place with a 1m57.997s on his last flying lap, however can be denied by 0.174s by Alex Marquez.
Miller jumped forward of Binder on the chequered flag with a 1m58.232s, with VR46 Ducati’s Luca Marini shadowing Vinales in sixth.
Quartararo ended up seventh on the chequered flag, however was left furious along with his Yamaha team-mate Franco Morbidelli when the Italian obtained in the best way of his last flying lap.
Bagnaia, Marco Bezzecchi (VR46 Ducati) and Pramac’s Johann Zarco accomplished the highest 10 to safe the final direct Q2 spots.
Morbidelli was simply 0.084s exterior of the highest 10 in eleventh after a late second on his Yamaha, whereas Enea Bastianini on the manufacturing facility Ducati will be part of him in Q1.
Each manufacturing facility Honda riders may also face Q1 on Saturday morning, with Marc Marquez fifteenth and Joan Mir sixteenth.
A crash for Raul Fernandez left the RNF Aprilia rider down in 18th, whereas Aleix Espargaro was twentieth after tallying his fourth fall of the day.
Ducati wildcard Alvaro Bautista was 2.547s off the tempo in twenty second.
