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 Kb4 draw
3 Kb5 draw
4 Kb6 draw
5 Kc4 draw
6 Kd4 draw
7 Kd5 draw
8 Ra1 draw
9 Rb1 draw
10 Rc1 draw
11 Rd1 draw
12 Rf1 draw
13 Rg1 draw
14 Rh3 draw
15 Rh4 draw
16 Rh5 draw
17 Rh6 draw
18 Kc6 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Rh2 loss in 2 half-moves
22 Rh8 loss in 2 half-moves