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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Rb7 win in 3 half-moves
3 Kc5 win in 5 half-moves
4 Kd5 win in 5 half-moves
5 Ka5 draw
6 Ka7 draw
7 Kab5 draw
8 Kab6 draw
9 Kab7 draw
10 Kc7 draw
11 Kcb5 draw
12 Kcb6 draw
13 Kcb7 draw
14 Kd6 draw
15 Kd7 draw
16 Ra3 draw
17 Rb4 draw
18 Rb6 draw
19 Rb8 draw
20 Rf3 draw
21 Rg3 draw
22 Rh3 draw
23 Rb1 loss in 2 half-moves
24 Rb2 loss in 2 half-moves
25 Rc3 loss in 2 half-moves
26 Rd3 loss in 2 half-moves
27 Re3 loss in 2 half-moves