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 Kd3 win in 7 half-moves
3 Ka2 loss in 2 half-moves
4 Ka4 loss in 2 half-moves
5 Kab3 loss in 2 half-moves
6 Kab4 loss in 2 half-moves
7 Kb2 loss in 2 half-moves
8 Kb5 loss in 2 half-moves
9 Kc5 loss in 2 half-moves
10 Kcb3 loss in 2 half-moves
11 Kcb4 loss in 2 half-moves
12 Kd4 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rd3 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rh3 loss in 2 half-moves