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

EGTB: win in 4 half-moves

# move score
1 Rg3 win in 3 half-moves
2 Ra7 draw
3 Rc7 draw
4 Rd7 draw
5 Re7 draw
6 Rg4 draw
7 Rg5 draw
8 Rg6 draw
9 K1f1 loss in 2 half-moves
10 K1f2 loss in 2 half-moves
11 K1h1 loss in 2 half-moves
12 K1h2 loss in 2 half-moves
13 K2f1 loss in 2 half-moves
14 K2f2 loss in 2 half-moves
15 K2h1 loss in 2 half-moves
16 K2h2 loss in 2 half-moves
17 Kf3 loss in 2 half-moves
18 Kg3 loss in 2 half-moves
19 Kh3 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rg8 loss in 2 half-moves
23 Rh7 loss in 2 half-moves