Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Ke7 win in 3 half-moves
2 Kd7 draw
3 Re5 draw
4 Re6 draw
5 Re7 draw
6 Kc7 loss in 2 half-moves
7 Kc8 loss in 2 half-moves
8 Re2 loss in 2 half-moves
9 Re4 loss in 2 half-moves
10 Rf8 loss in 2 half-moves
11 Rg8 loss in 2 half-moves
12 Rh8 loss in 2 half-moves
13 Re1 loss in 1 half-moves
14 Re3 loss in 1 half-moves