Morocco were unlikely winners of Group F, drawing with fellow knockout round participants Croatia and defeating group also-rans Belgium and Canada.
The African side present an energetic style that leads to entertaining matches, and now they'll face a stiff test in Spain in the last 16.
The Spaniards hammered Costa Rica 7-0 in their opening match, which proved a crucial result as they drew and lost their subsequent group matches and only topped Germany for second place in Group E by virtue of goals scored. It wasn't the prettiest of group stages for La Roja, but all that matters is that they've put themselves through to the knockouts.
QATAR 2022: Complete fixture list | All 8 World Cup stadiums
With Morocco's form and Spain's pedigree, this could be an intriguing contest. Here's everything you need to know about Tuesday's match.
The match is scheduled for 6:00 p.m. local time at Education City Stadium in Al Rayyan. That's 10:00 a.m. Eastern Standard Time, 3:00 p.m. GMT or 4:00 p.m. CET/WEST.
Viewers in the United States can watch the match on FOX (English) or Telemundo (Spanish). FOX can be streamed live on fuboTV (start your free trial today).
In Morocco, the match is available on beIN Sports Max 1. Viewers in Spain can watch on TVE or Gol Mundial.
For listings in your region, consult FIFA.com .
One of two grounds in Al Rayyan, the Education City Stadium gets its name from the university district in which it stands.
At 45,350 seats, it's one of the smaller stadiums in the World Cup, and will be further reduced post-tournament to a 25,000-seat capacity. The stadium held four matches in the 2020 FIFA Club World Cup, including the final between Bayern Munich and Tigres UANL.
During the World Cup, the Education City Stadium will host eight matches in total.
All kick-off times are listed in Arabia Standard Time .