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 Rc4 draw
3 Rc6 draw
4 Rc7 draw
5 Rc8 draw
6 Rd2 draw
7 Re2 draw
8 Rf2 draw
9 K1g1 loss in 2 half-moves
10 K1g2 loss in 2 half-moves
11 K2g1 loss in 2 half-moves
12 K2g2 loss in 2 half-moves
13 Kg3 loss in 2 half-moves
14 Kh3 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rc5 loss in 2 half-moves