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

EGTB: win in 2 half-moves

# move score
1 Rg3 win in 1 half-moves
2 Kd1 draw
3 Kd2 draw
4 Kd3 draw
5 Ke1 draw
6 Ke3 draw
7 Kf1 draw
8 Kf2 draw
9 Kf3 draw
10 Ra3 draw
11 Rb1 draw
12 Rb2 draw
13 Rb4 draw
14 Rb5 draw
15 Rb6 draw
16 Rc3 draw
17 Rh3 draw
18 Rb7 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rf3 loss in 2 half-moves