2018 Fed Cup Europe/Africa Zone Group I – play-offs

The play-offs of the 2018 Fed Cup Europe/Africa Zone Group I were the final stages of the Group I zonal competition involving teams from Europe and Africa. Using the positions determined in their pools, the fourteen teams faced off to determine their placing in the 2018 Fed Cup Europe/Africa Zone Group I. The top two teams advanced to World Group II play-offs, and the bottom two teams were relegated to the Europe/Africa Zone Group II.

Promotional play-offs
The first placed teams of each pool were drawn in head-to-head rounds. The winner of each round advanced to the World Group II play-offs.

5th place play-off
The runner-up teams from pools A and D, and B and C competed in order to establish which two teams would place joint fifth in the final standings and which two would place joint seventh.

Relegation play-offs
The teams placing last in each pool competed to keep their place in the Europe/Africa Zone Group I. The bottom-placed team from group A faced the bottom-placed team from Group D, whilst Group B's and Group C's bottom-placed teams faced off. The losers were relegated to the 2019 Europe/Africa Zone Group II.

Final placements

 * ' and ' were promoted to 2018 Fed Cup World Group II play-offs
 * ' and ' were relegated to Europe/Africa Zone Group II in 2019