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

EGTB: win in 6 half-moves

# move score
1 Rb3 win in 5 half-moves
2 Rb5 win in 9 half-moves
3 Rg7 draw
4 K3b4 loss in 2 half-moves
5 K3c4 loss in 2 half-moves
6 K3d4 loss in 2 half-moves
7 K5b4 loss in 2 half-moves
8 K5c4 loss in 2 half-moves
9 K5d4 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Kc2 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kd2 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Ra7 loss in 2 half-moves
21 Rb1 loss in 2 half-moves
22 Rb2 loss in 2 half-moves
23 Rb4 loss in 2 half-moves
24 Rb6 loss in 2 half-moves
25 Rb8 loss in 2 half-moves
26 Rc7 loss in 2 half-moves
27 Rd7 loss in 2 half-moves
28 Re7 loss in 2 half-moves
29 Rf7 loss in 2 half-moves
30 Rh7 loss in 2 half-moves