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 Rb6 win in 3 half-moves
3 Rb7 win in 3 half-moves
4 Kd6 win in 5 half-moves
5 Kf6 win in 7 half-moves
6 Kb4 draw
7 Kb5 draw
8 Kb6 draw
9 Kc4 draw
10 Kc6 draw
11 Kd4 draw
12 Kf7 draw
13 Kg7 draw
14 Kh6 draw
15 Kh7 draw
16 Ra3 draw
17 Rb4 draw
18 Rb8 draw
19 Rc3 draw
20 Rd3 draw
21 Re3 draw
22 Kd5 loss in 2 half-moves
23 Kf5 loss in 2 half-moves
24 Kg5 loss in 2 half-moves
25 Kh5 loss in 2 half-moves
26 Rb1 loss in 2 half-moves
27 Rb2 loss in 2 half-moves
28 Rf3 loss in 2 half-moves
29 Rg3 loss in 2 half-moves
30 Rh3 loss in 2 half-moves