For long periods Costa Rica's flat-back five kept Neymar on the periphery, with Johan Venegas and Cristian Gamboa both man-marking him out of the game as Brazil found it hard to carve out chances in the first half.
Switzerland came out with an impressive draw against Brazil and will look to keep the momentum going against Serbia.
Lionel Messi failed to lead Argentina to a win on Day 8 and could be on the brink of elimination as Day 9 approaches.
The day begins in St. Petersburg in a match between Brazil and Costa Rica.More news: Trump misrepresents North Korea's actions
The 25-year-old missed an outdoor training session on Monday after feeling pain from Brazil's opening match against Switzerland in which he picked up a knock after being repeatedly fouled. "In general, Federation Internationale de Football Association endeavour to ensure that each team wears its official team kit at least once during the group stage", they said. And it also means that the Brazil vs. Serbia match is basically a knockout game.
Group D is shaping up nicely, with Croatia and Nigeria controlling their own destiny.
It's Brazil who take centre stage today as they open up proceedings at 13:00 and Paul Robinson believes that they will fare better than their South American rivals did last night.
With a win Iceland could put Argentina on the brink of elimination.
In Group E, it's even tighter.