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 K1g2 draw
3 K3g2 draw
4 Ra6 draw
5 Rb6 draw
6 Rc6 draw
7 Rd6 draw
8 Rg2 draw
9 Rg3 draw
10 Rg7 draw
11 Rg8 draw
12 Kg1 loss in 2 half-moves
13 Kg3 loss in 2 half-moves
14 Kg4 loss in 2 half-moves
15 Kh4 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Rf6 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rh6 loss in 2 half-moves
21 K1h2 loss in 1 half-moves
22 K3h2 loss in 1 half-moves