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 Ra7 draw
3 Rc7 draw
4 Rd7 draw
5 Re7 draw
6 Rh1 draw
7 Rh3 draw
8 Rh4 draw
9 Rh5 draw
10 Kb1 loss in 2 half-moves
11 Kb2 loss in 2 half-moves
12 Kc2 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kd1 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Ke5 loss in 2 half-moves
22 Ke6 loss in 2 half-moves
23 Rb7 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rg7 loss in 2 half-moves
26 Rh6 loss in 2 half-moves
27 Rh8 loss in 2 half-moves