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 Ka1 win in 3 half-moves
3 Ka2 win in 3 half-moves
4 Kc1 win in 3 half-moves
5 Kc2 win in 3 half-moves
6 Ra3 win in 3 half-moves
7 Rb2 win in 3 half-moves
8 Rh3 win in 3 half-moves
9 Ka3 draw
10 Ka4 draw
11 Ka5 draw
12 Kb2 draw
13 Kc3 draw
14 Kc4 draw
15 Rf3 draw
16 Kb5 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Re3 loss in 2 half-moves