Zambian club Nkana FC have never lost at home in a CAF competition with the record covering 59 matches over 36 years:
African Cup of Champions Clubs
1983 (semi-finals)
Mbabane Highlanders (SWZ) 2-2, Pan African (TAN) 0-0, Villa (UGA) 4-0, Al Ahly (EGY) 0-0
1984 (quarter-finals)
Paramilitary Forces (LES) 5-0, Printing Agency (SOM) 3-0, Zamalek (EGY) 1-1
1986 (semi-finals)
Sotema (MAD) 4-1, Brewery Jimma (ETH) 0-0, Hearts of Oak (GHA) 2-0, Africa Sports (CIV) 1-1
1987 (last 16)
Petro Atletico (ANG) 1-1, Zamalek (EGY) 1-0
1989 (semi-finals)
Defence Force (BOT) 4-1, Fire Brigade (MR) 5-1, Saints (ZIM) 2-1, Mouloudia Oran (ALG) 1-0
1990 (runners-up)
Express (UGA) 3-1, Arsenal (LES) 5-1, Racing Bafoussam (CMR) 2-1, Iwuanyanwu Nationale (NGR) 1-0, JS Kabylie (ALG) 1-0
1991 (semi-finals)
Fianarantsoa (MAD) 6-0, Sunrise (MRI) 4-1, Union Douala (CMR) 1-0, Club Africain (TUN) 4-1
1992 (quarter-finals)
Mbabane Highlanders (SWZ) 7-1, KCC (UGA) 2-0, Wydad Casablanca (MAR) 2-1
1993 (quarter-finals)
AFC Leopards (KEN) 1-0, Sunrise (MRI) 0-0, Asante Kotoko (GHA) 1-0
1994 (semi-finals)
Costa do Sol (MOZ) 2-0, Simba (TAN) 4-1, Zamalek (EGY) 1-0
CAF Champions League
2000 (last 16)
Stade Tamponnaise (REU) 3-0, Mamelodi Sundowns (RSA) 1-1
2002 (last 16)
Simba (TAN) 4-0, Zamalek (EGY) 1-1
2014 (last 16)
Mbabane Swallows (SWZ) 5-2, KCC (UGA) 2-2, Zamalek (EGY) 0-0
2019 (last 32)
Songo (MOZ) 1-0, Simba (TAN) 2-1
Note: name of premier African club competition changed to CAF Champions League in 1997
CAF Confederation Cup
2014 (group)
CA Bizertin (TUN) 0-0, Al Ahly (EGY) 1-0, Etoile Sahel (TUN) 4-3, Sewe Sport (CIV) 1-1
2018 (last 32)
Belouizdad (ALG) 1-0
2019 (in group stage)
San Pedro (CIV) 3-0, Al Hilal (SUD) 2-1, Kotoko (GHA) 3-1
African Cup Winners Cup
1998 (quarter-finals)
Rwanda (RWA) 1-0, Sundowns (RSA) 2-1, Africa Sports (CIV) 1-1
2001 (last 16)
Military Police (UGA) 3-0, Zamalek (EGY) 2-2
CAF Cup
1999 (last 16)
Royal Leopard (SWZ) 2-2, Sfaxien (TUN) 1-0
Source: https://www.vanguardngr.com/2019/03/nkanas-59-match-unbeaten-caf-home-record/