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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Rb1 draw
3 Rb2 draw
4 Rb3 draw
5 Rd8 draw
6 Re8 draw
7 Rf8 draw
8 Rg8 draw
9 Kf1 loss in 2 half-moves
10 Kf2 loss in 2 half-moves
11 Kf4 loss in 2 half-moves
12 Kf5 loss in 2 half-moves
13 Kg1 loss in 2 half-moves
14 Kg5 loss in 2 half-moves
15 Kh1 loss in 2 half-moves
16 Kh2 loss in 2 half-moves
17 Kh4 loss in 2 half-moves
18 Kh5 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rc8 loss in 2 half-moves
24 Rh8 loss in 2 half-moves
25 K2f3 loss in 1 half-moves
26 K2g3 loss in 1 half-moves
27 K2h3 loss in 1 half-moves
28 K4f3 loss in 1 half-moves
29 K4g3 loss in 1 half-moves
30 K4h3 loss in 1 half-moves