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

EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 K1g1 draw
3 K1g2 draw
4 K2g1 draw
5 K2g2 draw
6 Kg3 draw
7 Kh3 draw
8 Rc2 draw
9 Rd1 draw
10 Rd7 draw
11 Re2 draw
12 Rf2 draw
13 Ra2 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rd3 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Rd5 loss in 2 half-moves
18 Rd6 loss in 2 half-moves
19 Rd8 loss in 2 half-moves