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

EGTB: win in 2 half-moves

# move score
1 Rg1 win in 1 half-moves
2 Ka1 draw
3 Ka3 draw
4 Kb1 draw
5 Kb2 draw
6 Kb3 draw
7 Ra1 draw
8 Rc2 draw
9 Rc3 draw
10 Rc4 draw
11 Rc5 draw
12 Rd1 draw
13 Re1 draw
14 Rf1 draw
15 Rh1 draw
16 Rb1 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rc8 loss in 2 half-moves