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 Kc7 win in 5 half-moves
4 Ra7 win in 5 half-moves
5 Kd7 win in 9 half-moves
6 Ke7 win in 9 half-moves
7 Rh7 win in 17 half-moves
8 Ka4 draw
9 Ka6 draw
10 Kc8 draw
11 Ke8 draw
12 Rb3 draw
13 Rb4 draw
14 Rb5 draw
15 Rb6 draw
16 Rb8 draw
17 Rf7 draw
18 Rg7 draw
19 Kb4 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rc7 loss in 2 half-moves
23 Rd7 loss in 2 half-moves
24 Re7 loss in 2 half-moves