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 Rc1 draw
9 Rc3 draw
10 Rc4 draw
11 Rc8 draw
12 Rd2 draw
13 Re2 draw
14 Rf2 draw
15 Ra2 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rc5 loss in 2 half-moves
18 Rc6 loss in 2 half-moves
19 Rc7 loss in 2 half-moves