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

EGTB: win in 4 half-moves

# move score
1 Kc7 win in 3 half-moves
2 Kc5 win in 7 half-moves
3 Kc6 win in 7 half-moves
4 Rb5 win in 7 half-moves
5 Rb6 win in 7 half-moves
6 Rb7 win in 7 half-moves
7 Kb2 win in 9 half-moves
8 Kb3 win in 13 half-moves
9 Ka1 draw
10 Ka3 draw
11 Kb1 draw
12 Kd5 draw
13 Kd7 draw
14 Ke5 draw
15 Ke6 draw
16 Ke7 draw
17 Ra8 draw
18 Rb3 draw
19 Rb4 draw
20 Rc8 draw
21 Rd8 draw
22 Rh8 draw
23 Rb1 loss in 2 half-moves
24 Rb2 loss in 2 half-moves
25 Re8 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rg8 loss in 2 half-moves