The winner of the tie will face Al Wahda of UAE on 7 February.
The 58-year-old tactician is expected to lead revamped Stags unit to title in 2017.
The winner of Tuesday's clash will face China's Shanghai Shenhua in third round.
Malaysia Super League champions play preliminary round in Thailand.
The first leg of the playoff will be held in Phnom Penh on Monday.
Egypt face Morocco in the AFCON 2017 clash on Sunday.
DR Congo face Ghana in the AFCON 2017 clash on Sunday.
Manchester United face Wigan Athletic in the FA Cup clash on Sunday.
Southampton face Arsenal in the FA Cup clash on Saturday.
Crystal Palace face Manchester City in the FA Cup clash on Saturday.
Chelsea face Brentford in the FA Cup clash on Saturday.
Tottenham Hotspur face Wycombe Wanderers in the FA Cup clash on Saturday.
Senegal face Cameroon in the AFCON 2017 clash on Saturday.
Burkina Faso face Tunisia in the AFCON 2017 clash on Saturday.
The 41-year-old tactician confirmed that the decision was mutual.