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

EGTB: win in 6 half-moves

# move score
1 Rg4 win in 5 half-moves
2 Kc6 win in 7 half-moves
3 Rf8 win in 7 half-moves
4 Rg6 win in 7 half-moves
5 Rg7 win in 7 half-moves
6 Ke6 win in 9 half-moves
7 Rh8 win in 9 half-moves
8 Ke5 win in 13 half-moves
9 Kd7 win in 15 half-moves
10 Ke7 win in 15 half-moves
11 Rd8 win in 19 half-moves
12 Kc7 win in 23 half-moves
13 Kc5 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rg2 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rg5 loss in 2 half-moves