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 Kf8 draw
3 Kg3 draw
4 Kg4 draw
5 Kg5 draw
6 Kg7 draw
7 Kh3 draw
8 Kh5 draw
9 Kh7 draw
10 Kh8 draw
11 Rc1 draw
12 Rc6 draw
13 Rc7 draw
14 Rc8 draw
15 Rd2 draw
16 Re2 draw
17 Rf2 draw
18 Rh2 draw
19 Kf7 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rc3 loss in 2 half-moves
23 Rc4 loss in 2 half-moves
24 Rc5 loss in 2 half-moves