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

EGTB: win in 2 half-moves

# move score
1 Rh8 win in 1 half-moves
2 Ka1 draw
3 Ka2 draw
4 Ka3 draw
5 Kb1 draw
6 Kb3 draw
7 Kc1 draw
8 Kc7 draw
9 Kc8 draw
10 Kd8 draw
11 Ke7 draw
12 Ke8 draw
13 Ra1 draw
14 Ra2 draw
15 Ra7 draw
16 Rb8 draw
17 Rc8 draw
18 Rd8 draw
19 Kc2 loss in 2 half-moves
20 Kc3 loss in 2 half-moves
21 Kc6 loss in 2 half-moves
22 Kd6 loss in 2 half-moves
23 Ke6 loss in 2 half-moves
24 Ra3 loss in 2 half-moves
25 Ra4 loss in 2 half-moves
26 Ra5 loss in 2 half-moves
27 Ra6 loss in 2 half-moves
28 Re8 loss in 2 half-moves
29 Rf8 loss in 2 half-moves
30 Rg8 loss in 2 half-moves