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 Kb8 win in 3 half-moves
3 Ra6 win in 3 half-moves
4 Rb2 win in 3 half-moves
5 Rc2 win in 3 half-moves
6 Rd2 win in 3 half-moves
7 Re2 win in 3 half-moves
8 Ra7 win in 5 half-moves
9 Ra8 win in 5 half-moves
10 Kcc7 win in 9 half-moves
11 Kd6 win in 9 half-moves
12 Kdc7 win in 9 half-moves
13 Kdd8 win in 9 half-moves
14 Ra3 win in 9 half-moves
15 Ra4 win in 9 half-moves
16 Ra5 win in 9 half-moves
17 Kcd8 win in 11 half-moves
18 Kc6 draw
19 Ra1 draw
20 Rf2 draw
21 Ke6 loss in 2 half-moves
22 Ke7 loss in 2 half-moves
23 Ke8 loss in 2 half-moves
24 Rg2 loss in 2 half-moves
25 Rh2 loss in 2 half-moves