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

EGTB: win in 4 half-moves

# move score
1 Rh3 win in 3 half-moves
2 Ra7 draw
3 Re7 draw
4 Rf7 draw
5 Rg7 draw
6 Rh1 draw
7 Rh2 draw
8 Rh4 draw
9 Rh5 draw
10 Rh6 draw
11 Kb1 loss in 2 half-moves
12 Kb2 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 Kc1 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Kd1 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Ke3 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Ke5 loss in 2 half-moves
22 Kf3 loss in 2 half-moves
23 Kf5 loss in 2 half-moves
24 Kg3 loss in 2 half-moves
25 Kg4 loss in 2 half-moves
26 Kg5 loss in 2 half-moves
27 Rb7 loss in 2 half-moves
28 Rc7 loss in 2 half-moves
29 Rd7 loss in 2 half-moves
30 Rh8 loss in 2 half-moves