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 7 half-moves
3 Rb8 win in 7 half-moves
4 Ra3 draw
5 Rb4 draw
6 Rb7 draw
7 Rg3 draw
8 Rh3 draw
9 K6d7 loss in 2 half-moves
10 K6e7 loss in 2 half-moves
11 K6f7 loss in 2 half-moves
12 K8d7 loss in 2 half-moves
13 K8e7 loss in 2 half-moves
14 K8f7 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Kd8 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Kf5 loss in 2 half-moves
20 Kf6 loss in 2 half-moves
21 Kf8 loss in 2 half-moves
22 Rb1 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rc3 loss in 2 half-moves
25 Rd3 loss in 2 half-moves
26 Re3 loss in 2 half-moves
27 Rf3 loss in 2 half-moves