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

EGTB: win in 4 half-moves

# move score
1 Rh2 win in 3 half-moves
2 Rd8 draw
3 Re8 draw
4 Rf8 draw
5 Rg8 draw
6 Rh1 draw
7 Rh3 draw
8 Rh4 draw
9 Rh5 draw
10 Ka2 loss in 2 half-moves
11 Ka3 loss in 2 half-moves
12 Ka4 loss in 2 half-moves
13 Kb2 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kc4 loss in 2 half-moves
18 Kd2 loss in 2 half-moves
19 Kd3 loss in 2 half-moves
20 Kd4 loss in 2 half-moves
21 Ke2 loss in 2 half-moves
22 Ke4 loss in 2 half-moves
23 Kf2 loss in 2 half-moves
24 Kf3 loss in 2 half-moves
25 Kf4 loss in 2 half-moves
26 Ra8 loss in 2 half-moves
27 Rb8 loss in 2 half-moves
28 Rc8 loss in 2 half-moves
29 Rh6 loss in 2 half-moves
30 Rh7 loss in 2 half-moves