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

EGTB: win in 6 half-moves

# move score
1 Rg1 win in 5 half-moves
2 Kf1 draw
3 Kf2 draw
4 Kgg1 draw
5 Kgh3 draw
6 Khh3 draw
7 Kf3 loss in 2 half-moves
8 Kgg3 loss in 2 half-moves
9 Khg1 loss in 2 half-moves
10 Khg3 loss in 2 half-moves
11 Ra1 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rc1 loss in 2 half-moves
14 Rd1 loss in 2 half-moves
15 Re1 loss in 2 half-moves
16 Rf1 loss in 2 half-moves