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

EGTB: win in 4 half-moves

# move score
1 Rh7 win in 3 half-moves
2 Rh8 win in 3 half-moves
3 Rf5 win in 5 half-moves
4 Ka7 draw
5 Kb7 draw
6 Kb8 draw
7 Kd6 draw
8 Kd7 draw
9 Kd8 draw
10 Ke6 draw
11 Ke8 draw
12 Kf6 draw
13 Kf7 draw
14 Kf8 draw
15 Rd5 draw
16 Re5 draw
17 Rg5 draw
18 Rh3 draw
19 Rh4 draw
20 Rh6 draw
21 Ra5 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rc5 loss in 2 half-moves
24 Rh1 loss in 2 half-moves
25 Rh2 loss in 2 half-moves