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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kc7 win in 3 half-moves
3 Kcd7 win in 3 half-moves
4 Rf5 win in 3 half-moves
5 Rf7 win in 3 half-moves
6 Rf8 win in 11 half-moves
7 Kb5 draw
8 Kb6 draw
9 Kc5 draw
10 Kd5 draw
11 Kd6 draw
12 Kd8 draw
13 Ke7 draw
14 Ked7 draw
15 Kf7 draw
16 Kf8 draw
17 Rf4 draw
18 Rg6 draw
19 Rh6 draw
20 Rd6 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Rf1 loss in 2 half-moves
23 Rf2 loss in 2 half-moves
24 Rf3 loss in 2 half-moves