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

EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Kd4 draw
3 Kd5 draw
4 Kd6 draw
5 Ke4 draw
6 Ke6 draw
7 Kf4 draw
8 Kf5 draw
9 Kf6 draw
10 Ra1 draw
11 Rb2 draw
12 Rb4 draw
13 Rb5 draw
14 Rb6 draw
15 Rb7 draw
16 Rc1 draw
17 Re1 draw
18 Rf1 draw
19 Rb3 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rd1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves