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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Rb8 draw
3 Rc8 draw
4 Rd8 draw
5 Re8 draw
6 Rh1 draw
7 Rh2 draw
8 Rh3 draw
9 Rh4 draw
10 Ka4 loss in 2 half-moves
11 Ka5 loss in 2 half-moves
12 Ka6 loss in 2 half-moves
13 Kb2 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 Kbb4 loss in 2 half-moves
17 Kbc4 loss in 2 half-moves
18 Kc2 loss in 2 half-moves
19 Kc5 loss in 2 half-moves
20 Kc6 loss in 2 half-moves
21 Kcb4 loss in 2 half-moves
22 Kcc4 loss in 2 half-moves
23 Kd2 loss in 2 half-moves
24 Kd3 loss in 2 half-moves
25 Kd4 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rg8 loss in 2 half-moves
28 Rh5 loss in 2 half-moves
29 Rh6 loss in 2 half-moves
30 Rh7 loss in 2 half-moves