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 Ra7 draw
3 Rb7 draw
4 Rc1 draw
5 Rc2 draw
6 Rc3 draw
7 Rc8 draw
8 Rf7 draw
9 K1g1 loss in 2 half-moves
10 K1g2 loss in 2 half-moves
11 K2g1 loss in 2 half-moves
12 K2g2 loss in 2 half-moves
13 Kg3 loss in 2 half-moves
14 Kh3 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rg7 loss in 2 half-moves