After completing a 2-1 turnaround against Kosovo, the Czech Republic confirmed their place at the Euro 2020 finals.
Thibaut Courtois continues to be a firm believer in his own ability and said Real Madrid boss Zinedine Zidane has always been supportive.
Kevin De Bruyne is set for a return to international action, but Belgium are without Thomas Meunier and Jan Vertonghen.
Belgium have eight wins from eight Group I games in Euro 2020 qualifying, leading to Roberto Martinez hailing his side's character.
Belgium have eight wins from eight games in Group I after an Eden Hazard-inspired 2-0 victory away to Kazakhstan on Sunday.
Belgium became the first team to qualify for Euro 2020 by thrashing San Marino, much to the delight of coach Roberto Martinez.
Romelu Lukaku brought up a half-century of international goals as San Marino collapsed to a 9-0 defeat away to Belgium on Thursday.
There were reports Eden Hazard was out of shape when he joined Real Madrid, but Roberto Martinez does not think that matters.
Kevin De Bruyne picked up a groin injury last weekend and will miss Belgium's qualifiers against San Marino and Kazakhstan.
Thibaut Courtois was taken off at half-time in Real Madrid's 2-2 draw with Club Brugge, but Erwin Lemmens has backed him to bounce back.