Prabowo Subianto arrived at 6:42 a.m. local time, while Sandiaga Uno at 7:05 a.m.
They were both greeted by Arief Budiman, head of the Election Commission (KPU), upon arrival in the hospital.
In response to the press` questions, Prabowo said he just rested at his home in Hambalang, Bogor (West Java Province), and watched television a day prior the medical exam.
Meanwhile, Sandiaga Uno said: "Alhamdulillah (Thank God), I am fasting and Insha Allah (God Willing) it will run smoothly. Please pray for us."
On Sunday, incumbent Joko Widodo (Jokowi) and his running mate, Ma`ruf Amin also underwent medical exams at the same hospital.
Indonesia will hold simultaneous presidential and legislative elections on April 17, 2019.
In the presidential elections next year, Prabowo Subianto-Uno pair will challenge Jokowi-Amin in a re-run of the 2014 presidential race.
Seeking a second term, Jokowi has picked a prominent cleric as his running mate, while Subianto has chosen Uno, vice governor of Jakarta and successful young businessman.
Reporting by Susylo Asmalyah
Reporter: Antara
Editor: Fardah Assegaf
Copyright © ANTARA 2018