Manchester United remain on course for the semi-finals of the Premier section of the Milk Cup after beating Strikers FC South Coast 2-0 at Coleraine.
Andreas Hoelgebaum Pereira set up Joe Riley for the first goal in the 21st minute and then added the second with a free-kick into the top corner after 40.
CSKA Moscow, County Tyrone, SC Corinthians, Newcastle United and Cruz Azul are also unbeaten after two games.
Watford top the Junior table but five-time winners Everton lie second.
Strikers FC South Coast are third in the Junior standings after also winning their two Junior fixtures, while last year's winners Brentford still have high hopes of retaining their title as they lie fourth. with one more set of group matches to come on Wednesday.
Liverpool have work to do to make Thursday's semi-finals after playing out a 1-1 draw with Cavan/Monaghan in the Junior category on Tuesday.
Eoghan Cooney rounded the goalkeeper to put the Irish side ahead in the second half, but Connor Masterson fired into the bottom corner of the net from the edge of the penalty area in the final minute for Liverpool.
County Antrim are fifth in the table after their 2-2 draw with Brentford so there is still hope of some Northern Ireland representation in the last four.
CSKA Moscow head the Premier table on goal difference, followed by County Tyrone, who saw off Southampton 1-0 on Tuesday.
Manchester United and SC Corinthians currently occupy the other semi-final positions, with Newcastle and Cruz Azul very much still in the running for places in the last four.
The action continues on Wednesday, with the Northern Ireland Elite side in action against the USA at Drumahoe in the evening (20:00 BST).
Tuesday 30 July - Premier Section - results
Vendee FC 0-1 Cruz Azul
CSKA Moscow 5-0 Bohemian FC
Cherry Orchard 4-1 Co Down
Co Fermanagh 1-5 Club America de Mexico
Co Tyrone 2-0 Otago Utd
O'Higgins FC 1-3 Liverpool
Co Antrim 2-1 TuS Altenberge
Co Londonderry 0-2 SC Corinthians
Co Armagh 0-2 Newcastle Utd
Manchester Utd 2-0 Strikers FC South Coast
Junior Section - results
Co Tyrone 1-0 Southampton
Co Antrim 2-2 Brentford
Co Fermanagh 0-1 Plymouth Argyle
Co Armagh 0-2 Swindon Town
Everton 3-0 Dundalk SL
Co Down 3-0 San Luis de Colina
Watford 3-2 North Dublin SL
Liverpool 1-1 Cavan Monaghan DL
Ipswich Town 1-1 Co Londonderry
Strikers FC South Coast 1-0 Japan FA