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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rb6 win in 3 half-moves
3 Rb8 win in 3 half-moves
4 Rh3 draw
5 K6b7 loss in 2 half-moves
6 K6c7 loss in 2 half-moves
7 K6d7 loss in 2 half-moves
8 K8b7 loss in 2 half-moves
9 K8c7 loss in 2 half-moves
10 K8d7 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kb8 loss in 2 half-moves
14 Kc5 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 Ra3 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rc3 loss in 2 half-moves
24 Rd3 loss in 2 half-moves
25 Re3 loss in 2 half-moves
26 Rf3 loss in 2 half-moves
27 Rg3 loss in 2 half-moves