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 Ka2 draw
3 Kb2 draw
4 Kb3 draw
5 Kb4 draw
6 Ra2 draw
7 Rc3 draw
8 Rc4 draw
9 Ka4 loss in 6 half-moves
10 Rc1 loss in 4 half-moves
11 Rc5 loss in 4 half-moves
12 Rb2 loss in 2 half-moves
13 Rd2 loss in 2 half-moves
14 Re2 loss in 2 half-moves
15 Rf2 loss in 2 half-moves
16 Rh2 loss in 2 half-moves
17 Rc6 loss in 1 half-moves
18 Rc7 loss in 1 half-moves
19 Rc8 loss in 1 half-moves