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

EGTB: win in 2 half-moves

# move score
1 Kb6 win in 1 half-moves
2 Kb7 win in 1 half-moves
3 Kb8 win in 1 half-moves
4 Re1 win in 1 half-moves
5 Re2 win in 1 half-moves
6 Re3 win in 1 half-moves
7 Rf5 win in 1 half-moves
8 Ka6 loss in 2 half-moves
9 Ka8 loss in 2 half-moves
10 Ra5 loss in 2 half-moves
11 Rb5 loss in 2 half-moves
12 Rc5 loss in 2 half-moves
13 Rd5 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Re6 loss in 2 half-moves
16 Re7 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rh5 loss in 2 half-moves