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 K3g3 draw
3 K3g4 draw
4 K4g3 draw
5 K4g4 draw
6 Kg2 draw
7 Kg5 draw
8 Kh2 draw
9 Kh5 draw
10 Ra2 draw
11 Rb1 draw
12 Rb8 draw
13 Rf2 draw
14 Rh2 draw
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rc2 loss in 2 half-moves
21 Rd2 loss in 2 half-moves
22 Re2 loss in 2 half-moves