Johannesburg - Warri Wolves and Bayelsa United are set to progress in the CAF Confederation Cup after good away results this weekend.
Wolves triumphed 3-2 at Cameroonians Union Douala and Bayelsa forced a 0-0 draw at Congolese Kondzo in first round, first leg qualifiers.
South Africans SuperSport United, Zimbabweans How Mine, Congolese CARA, Rwandans AS Kigali, Moroccans El-Jadida, Algerians CS Constantine and Democratic Republic of Congo outfit Don Bosco won other matches.
Warri, who failed to get beyond the second round in two previous Confederation Cup appearances, overcame pre-match setbacks to succeed in Atlantic city Douala.
A lack of water forced the Nigerians to switch hotels in the latest episode of visiting teams receiving poor treatment during CAF competitions.
Musa Najare gave Warri an early lead that Patrick Ngoula cancelled before goalkeeper Okiemute Odah saved a Djengue Moundi spot-kick.
Oghenekaro Etebo put Wolves ahead a second time before half-time only for former African champions Union to level again on 80 minutes through a Ngansop Mangaptche header.
But the attack-conscious Nigerians were not to be denied and Ibenegbu Ikechukwu snatched the match-winner seven minutes from time with a 30-metre scorcher.
Bayelsa, semi-finalists in a lone previous appearance five years ago, erected a defensive barricade that African rookies Kondzo could not breach in Brazzaville.
No Nigerian outfit has won the 11-year second-tier CAF club competition -- Dolphin came closest in 2005 by finishing runners-up behind Moroccans FAR Rabat.
How Mine are another club seemingly destined for the round of 16 having built a 5-1 lead over Seychellois Saint Michel United in second city Bulawayo.
Kuda Musharu lifted his goal haul to five from three matches by bagging a brace and Thembani Masuku, Morris Kadzola and Menard Mupera also scored.
Malagasy Jocelyn Fenosoa levelled for Michel during the opening half, but once the miners moved ahead again on the hour mark it was one-way traffic.
SuperSport, a club owned by the Johannesburg-based multi-channel satellite sports station, scored late in each half for a 2-0 home win over Kenyans AFC Leopards.
Diminutive David Mathebula rose highest to head a Sameegh Doutie free-kick into the far corner on 43 minutes and substitute Bennett Chenene netted from close range in stoppage time.
After three preliminary-round goals, Senegal-born SuperSport striker Mame Niang drew a blank, but he did create the potentially tie-clinching second goal.
Ayoub Nanah struck twice during the second half in Banjul as Jadida triumphed 2-0 over Gambian telecommunications company club Gamtel.
Eric Kabulo was another to bag a brace, enabling Don Bosco to come from behind and defeat Malians Djoliba 2-1 in southern mining city Lubumbashi.
Solitary-goal victories were achieved by CARA at home to Tunisians Etoile Sahel, Constantine away to Liberians Red Lions and Kigali against Sudanese visitors Al-Ahly Shendy.