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 Kc5 win in 3 half-moves
3 Rb6 win in 5 half-moves
4 Ka8 win in 9 half-moves
5 Kb8 win in 9 half-moves
6 Ra4 win in 9 half-moves
7 Rb1 win in 9 half-moves
8 Rb2 win in 9 half-moves
9 Rb3 win in 9 half-moves
10 Ka6 win in 11 half-moves
11 Kab6 draw
12 Kab7 draw
13 Kc7 draw
14 Kcb6 draw
15 Kcb7 draw
16 Rb5 draw
17 Rc4 draw
18 Rd4 draw
19 Re4 draw
20 Rg4 draw
21 Rh4 draw
22 Kd5 loss in 2 half-moves
23 Kd6 loss in 2 half-moves
24 Kd7 loss in 2 half-moves
25 Rb7 loss in 2 half-moves
26 Rb8 loss in 2 half-moves
27 Rf4 loss in 2 half-moves