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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Rd6 win in 3 half-moves
3 Rc6 win in 9 half-moves
4 Ra6 win in 11 half-moves
5 K3b4 draw
6 K3c4 draw
7 K5b4 draw
8 K5c4 draw
9 Kb2 draw
10 Kb3 draw
11 Kb5 draw
12 Kb6 draw
13 Kc2 draw
14 Kc6 draw
15 Kd2 draw
16 Kd6 draw
17 Re1 draw
18 Re7 draw
19 Re8 draw
20 K3d4 loss in 2 half-moves
21 K5d4 loss in 2 half-moves
22 Kd3 loss in 2 half-moves
23 Kd5 loss in 2 half-moves
24 Re2 loss in 2 half-moves
25 Re3 loss in 2 half-moves
26 Re4 loss in 2 half-moves
27 Re5 loss in 2 half-moves
28 Rf6 loss in 2 half-moves
29 Rg6 loss in 2 half-moves
30 Rh6 loss in 2 half-moves