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 Re3 draw
3 Re4 draw
4 Re5 draw
5 Ka7 loss in 2 half-moves
6 Ka8 loss in 2 half-moves
7 Kb7 loss in 2 half-moves
8 Kd7 loss in 2 half-moves
9 Re1 loss in 2 half-moves
10 Re2 loss in 2 half-moves
11 Re6 loss in 2 half-moves
12 Re7 loss in 2 half-moves
13 Rf8 loss in 2 half-moves
14 Rg8 loss in 2 half-moves
15 Rh8 loss in 2 half-moves
16 Kbc7 loss in 1 half-moves
17 Kbc8 loss in 1 half-moves
18 Kdc7 loss in 1 half-moves
19 Kdc8 loss in 1 half-moves