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 Kc5 win in 3 half-moves
3 Kd5 win in 3 half-moves
4 Ke2 win in 3 half-moves
5 Rd6 win in 3 half-moves
6 Kc2 win in 5 half-moves
7 Kc1 win in 7 half-moves
8 Kb6 draw
9 Kc7 draw
10 Kd2 draw
11 Kd6 draw
12 Kd7 draw
13 Ke1 draw
14 Re1 draw
15 Re5 draw
16 Re7 draw
17 Re8 draw
18 Rf6 draw
19 Kb7 loss in 2 half-moves
20 Re2 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Re4 loss in 2 half-moves
23 Rg6 loss in 2 half-moves
24 Rh6 loss in 2 half-moves