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

EGTB: win in 2 half-moves

# move score
1 Rg2 win in 1 half-moves
2 Kc1 draw
3 Ke1 draw
4 Ra2 draw
5 Kc2 loss in 8 half-moves
6 Kd2 loss in 4 half-moves
7 Ke2 loss in 4 half-moves
8 Rb1 loss in 4 half-moves
9 Rb3 loss in 4 half-moves
10 Rb4 loss in 4 half-moves
11 Rb7 loss in 4 half-moves
12 Rb5 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rc2 loss in 2 half-moves
16 Rd2 loss in 2 half-moves
17 Re2 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rh2 loss in 2 half-moves