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 Kc4 draw
3 Kc5 draw
4 Kd5 draw
5 Ke4 draw
6 Kg8 draw
7 Kh7 draw
8 Ra4 draw
9 Ra5 draw
10 Ra6 draw
11 Ra8 draw
12 Rd7 draw
13 Re7 draw
14 Rf7 draw
15 Rg7 draw
16 Kc3 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Ke3 loss in 2 half-moves
19 Ke5 loss in 2 half-moves
20 Kg7 loss in 2 half-moves
21 Ra1 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Ra3 loss in 2 half-moves
24 Rb7 loss in 2 half-moves
25 Rc7 loss in 2 half-moves