Again a draw - the fith draw in Group D
Frenchman LeRoy, 66, has managed five different African national teams since first taking charge of Cameroon in 1985.
Ghana are going through now at the expense of Senegal.
Algeria have been efficient and taken their chances well.
Equatorial Guinea coach Esteban Becker was ecstatic as he led the hosts into the Africa Cup of Nations last eight.
Cape Verde & Zambia out in stalemate
Congo DR & Tunisia into quarters
Mauritius have appointed Didier Six as their new head coach and national technical director.
Congo reached the quarter-finals of the Africa Cup of Nations for the first time since 1992 by topping Group A.
Hosts Equatorial Guinea make it through to the Africa Cup of Nations quarter-finals by beating Gabon
Cameroon vs Serbia 3:3
FACTS
Goals Cameroon
Castelletto (29'minutes), Aboubakar (63'minutes), Choupo-Moting (66'minutes)
Assists
Castelletto (63'minutes), Aboubakar (66'minutes)
..
Goals Serbia
Pavlovic (45'+1minutes), S. Milinkovic-Savic (45'+3minutes), Mitrovic (53'minutes)
Assists
Tadic (45'+1minutes), Zivkovic (45'+3minutes, 53'minutes)
Cameroon
Serbia