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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Rb8 win in 5 half-moves
3 Rg2 win in 5 half-moves
4 Rh2 win in 5 half-moves
5 Rb7 win in 13 half-moves
6 Kf8 draw
7 Kg3 draw
8 Kg5 draw
9 Kg6 draw
10 Kg8 draw
11 Kh3 draw
12 Kh4 draw
13 Kh5 draw
14 Kh6 draw
15 Kh7 draw
16 Kh8 draw
17 Ra2 draw
18 Rb1 draw
19 Kf3 loss in 2 half-moves
20 Kf4 loss in 2 half-moves
21 Kf5 loss in 2 half-moves
22 Kf6 loss in 2 half-moves
23 Kf7 loss in 2 half-moves
24 Rb4 loss in 2 half-moves
25 Rb5 loss in 2 half-moves
26 Rb6 loss in 2 half-moves
27 Rc2 loss in 2 half-moves
28 Rd2 loss in 2 half-moves
29 Re2 loss in 2 half-moves
30 Rf2 loss in 2 half-moves