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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Kb7 win in 3 half-moves
4 Kd6 win in 5 half-moves
5 Ke7 win in 5 half-moves
6 Ke8 win in 5 half-moves
7 Kf7 win in 5 half-moves
8 Kg7 win in 5 half-moves
9 Kg8 win in 5 half-moves
10 Re6 win in 5 half-moves
11 Rg6 win in 5 half-moves
12 Rd6 draw
13 Rh6 draw
14 Kc5 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rf5 loss in 2 half-moves
23 Rf7 loss in 2 half-moves