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 K1g1 draw
3 K2g1 draw
4 Kg3 draw
5 Kh3 draw
6 Ra2 draw
7 Re2 draw
8 Rf2 draw
9 Rg6 draw
10 Rg7 draw
11 Rg8 draw
12 Rb2 loss in 2 half-moves
13 Rc2 loss in 2 half-moves
14 Rd2 loss in 2 half-moves
15 Rg3 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rg5 loss in 2 half-moves