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

EGTB: win in 4 half-moves

# move score
1 a2 win in 3 half-moves
2 Ke4 win in 5 half-moves
3 Rg2 win in 5 half-moves
4 Rg5 win in 6 half-moves
5 Ke3 win in 7 half-moves
6 Kf3 win in 9 half-moves
7 Rf1 win in 9 half-moves
8 Rg3 win in 9 half-moves
9 Rg4 win in 9 half-moves
10 Rh1 win in 9 half-moves
11 Kg3 win in 11 half-moves
12 Kg4 win in 11 half-moves
13 Ra1 win in 11 half-moves
14 Kg5 win in 13 half-moves
15 Rb1 win in 13 half-moves
16 Ke5 loss in 2 half-moves
17 Kf5 loss in 2 half-moves
18 Rc1 loss in 2 half-moves
19 Rd1 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Rg6 loss in 2 half-moves
22 Rg7 loss in 2 half-moves
23 Rg8 loss in 2 half-moves