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 Kd7 draw
3 Kd8 draw
4 Ke7 draw
5 Kef7 draw
6 Kef8 draw
7 Kg7 draw
8 Kgf7 draw
9 Kgf8 draw
10 Kh7 draw
11 Kh8 draw
12 Ra7 draw
13 Rb7 draw
14 Rc1 draw
15 Rc8 draw
16 Rf7 draw
17 Rg7 draw
18 Rc2 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rc5 loss in 2 half-moves
22 Rc6 loss in 2 half-moves
23 Rd7 loss in 2 half-moves
24 Re7 loss in 2 half-moves