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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Rb7 win in 3 half-moves
3 Rb8 win in 3 half-moves
4 Ka7 win in 5 half-moves
5 Kb7 win in 5 half-moves
6 Ke7 win in 5 half-moves
7 Ke8 win in 5 half-moves
8 Kf7 win in 5 half-moves
9 Rb4 win in 5 half-moves
10 Ka5 draw
11 Kb5 draw
12 Kb6 draw
13 Kg7 draw
14 Kg8 draw
15 Ra3 draw
16 Rb5 draw
17 Rc3 draw
18 Rd3 draw
19 Re3 draw
20 Rf3 draw
21 Rb1 loss in 2 half-moves
22 Rb2 loss in 2 half-moves
23 Rg3 loss in 2 half-moves
24 Rh3 loss in 2 half-moves