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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kd7 win in 3 half-moves
3 Kd8 win in 3 half-moves
4 Ke7 win in 3 half-moves
5 Kf7 win in 3 half-moves
6 Kc5 win in 5 half-moves
7 Rb6 win in 9 half-moves
8 Rc7 win in 9 half-moves
9 Rc8 win in 9 half-moves
10 Rd6 win in 25 half-moves
11 Ka4 draw
12 Ka5 draw
13 Ka6 draw
14 Kb4 draw
15 Kc4 draw
16 Kf8 draw
17 Ra6 draw
18 Rc3 draw
19 Rc4 draw
20 Rc5 draw
21 Re6 draw
22 Rc1 loss in 2 half-moves
23 Rc2 loss in 2 half-moves
24 Rf6 loss in 2 half-moves
25 Rg6 loss in 2 half-moves
26 Rh6 loss in 2 half-moves