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 Ra1 draw
9 Ra6 draw
10 Rb2 draw
11 Rf2 draw
12 Ra3 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Ra5 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rd2 loss in 2 half-moves
19 Re2 loss in 2 half-moves