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

EGTB: win in 4 half-moves

# move score
1 Rh6 win in 3 half-moves
2 Rd2 draw
3 Re2 draw
4 Rf2 draw
5 Rg2 draw
6 Rh3 draw
7 Rh4 draw
8 Rh5 draw
9 Rh7 draw
10 Rh8 draw
11 Ka5 loss in 2 half-moves
12 Ka7 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kb7 loss in 2 half-moves
16 Kc6 loss in 2 half-moves
17 Kc7 loss in 2 half-moves
18 Kc8 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Kd8 loss in 2 half-moves
21 Ke6 loss in 2 half-moves
22 Ke7 loss in 2 half-moves
23 Ke8 loss in 2 half-moves
24 Ra2 loss in 2 half-moves
25 Rb2 loss in 2 half-moves
26 Rc2 loss in 2 half-moves
27 Rh1 loss in 2 half-moves