Algeria crashed out of the 2023 Africa Cup of Nations as minnows Mauritania recorded their first ever win at the finals to clinch a place in the round of 16.
Centre-back Yali Delahie scored the winner late in the first half to stun the two-time Africa Cup of Nations winners.
The defeat means that 2019 champions Algeria will exit the tournament in the group stage For the second consecutive edition.
It occupies last place in Group D, while Mauritania will certainly qualify as one of the best teams in third place.
Mauritania will face Group B surprise Cape Verde in the round of 16 at Stade Felix Houphouet-Boigny in Abidjan on Monday (17:00 GMT).
Algeria joined fellow former champions Ghana in the elimination after results earlier on Tuesday meant the Black Stars, who have just two points to their name, could not qualify as one of the top four teams in third place.
The Chinguetti Lions had to withstand late pressure and survive more than 11 minutes of stoppage time as Algeria sought an equalizer that would have sent them into Mauritania's account.
But the underdogs deserved the victory that sent them into the knockout stages alongside second-placed Burkina Faso and Angola, who secured top spot in the group by a margin. By defeating Burkina Faso 2-0.
Humiliated Algeria is punished by wonderful Mauritania
Algeria drew their first two group matches in Ivory Coast and knew that another draw at Al Salam Stadium would guarantee qualification as a point would put them among the top four teams in third place.
However, there would be nothing but victory for their opponents after losing their first two matches – and this contrast was evident throughout as Mauritania were more prolific and dangerous in their play.
They had to contend with a somewhat tense half-hour, when Houssem Aouar fired in a good chance for Algeria, but they were more than a match for the North Africans from then on.
Mauritania's first chance saw Souleymane Ann thwarted by Anthony Mandria but Algeria failed to clear the subsequent corner and Delahi took advantage to send the underdogs into raptures.
They should have made their margin of victory more comfortable, as they wasted a number of chances in the second half against the Algerian team, which repeatedly launched counter-attacks.
But Aboubacar Quetta headed over the crossbar after a brilliant individual run, Mandria made a good save from Aboubacar Kamara's shot, and Pape Ebno Ba hit the crossbar from close range when it seemed easier to score than to give the ball away.
But Algeria lacked the ability to punish Mauritania for those errors, although the introduction of Riyad Mahrez in the first half, which was surprisingly dropped by coach Djamel Belmadi, provided more creativity.
The former Manchester City winger was the creator of the best chances, as his crosses were created by Hicham Boudaoui's header and Issa Mandi's shot, which was brilliantly blocked by Babacar Niasse.
The Mauritanian goalkeeper made another save to thwart Mandy amid nearly twelve tense minutes of extra time before the final whistle, resulting in jubilant scenes for the north-west Africans, who had lost six of their previous eight matches at Africa Cup of Nations finals. Draw the other two.
Their win was another big triumph for coach Amir Amdou, who was in charge of Comoros when the Comoros reached the last 16 in their first appearance at the 2021 finals before losing to hosts Cameroon.
Algeria had the best record of any team in qualifying for the 2023 finals, but several of their players left the field in tears, exiting after not winning a game in the two editions of the tournament since. He lifted the title four years ago.
Formations
Mauritania
formation 4-1-4-1
- 16Niasi
- 20Keita
- 14Dellahireplace fordearin 68'minutes
- 5PaBooked in 45 minutes
- 2Diao
- 4Jassama
- 23Ammarreplace forCamarain 81'minutes
- 10Thiamreplace forMr.in 82'minutes
- 8BudaBooked in 21 minutes
- 19QuettaBooked in 53 minutesreplace forCamarain 82'minutes
- 11thatreplace forbreathingin 71'minutes
Alternatives
- 1Diao
- 3bed
- 6breathing
- 7Pa
- 9Thank you
- 12Camara
- 15Dokara
- 21dear
- 24Ndiaye
- 25Mr.
- 26stars
- 27Camara
Algeria
formation 4-3-3
- 16Mandria
- 20Atalreplace forVan den Kerkhovein 81'minutes
- 2soggy
- 4Togay
- 15Ait Nouri
- 14Boudaouireplace forWe demandin 62'minutes
- 6Zerrouki
- 11Awarreplace forMahrezin 45'minutes
- 12Unasreplace forBelailiin 62'minutesBooked in 83 minutes
- 9Bounedjah
- 18AmouraBooked in 45 minutesreplace forSoleimaniin 69'minutesBooked in 76 minutes
Alternatives
- 1Dormouse
- 3Van den Kerkhove
- 5Tuba
- 7Mahrez
- 8Belaili
- 10Figoli
- 13Soleimani
- 17My love
- 19We demand
- 23Mabulhi
- 24To be placed
- 25Al-Arousi
Live text
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End of the match Mauritania 1 Algeria 0
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End of the second half Mauritania 1 Algeria 0
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Infiltration, Mauritania. Aboubakar Kamara offside.
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Issa Mendy (Algeria) wins a free kick in the defensive half.
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Foul by Aboubakar Kamara (Mauritania).
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The delay is over. They are ready to continue.
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The match was delayed due to injury to Baghdad Bounedjah (Algeria).
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The attempt failed. A shot from Baghdad Bounedjah (Algeria) with his left foot from close range, but it passed near the left post.
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The attempt has been saved. A shot by Issa Mendy (Algeria) with his right foot from the middle of the penalty area was blocked by the goalkeeper. With the help of Nabil Ben Taleb.
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The attempt failed. Mohsen Bouda (Mauritania) shoots with his left foot from outside the penalty area, high and wide to the left. With the help of Abubakar Kamara.
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The attempt has been saved. Bakary Kamara (Mauritania) shot with his right foot from more than 35 yards was blocked in the middle of the goal.
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The attempt failed. Issa Mendy (Algeria) header from close range is very high. A cross pass from Youssef Blaili after a corner kick.
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Zawia, Algeria. Shot by Bakary Kamara.
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Foul by Ramiz Zerrouki (Algeria).
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Mohcine Bouda (Mauritania) wins a free kick in the defensive half.
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Nabil Bentaleb (Algeria) wins a free kick in the defensive half.
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-Error on Kassouma Fofana (Mauritania).
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The delay is over. They are ready to continue.
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The match was delayed due to injury to Pape Ba (Mauritania).
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Zawiya, Mauritania. Pass by Issa Mandi.