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 Ka2 draw
4 Ka3 draw
5 Ka5 draw
6 Ka7 draw
7 Kb3 draw
8 Kb5 draw
9 Kb6 draw
10 Kb7 draw
11 Ra1 draw
12 Rh1 draw
13 Kc1 loss in 2 half-moves
14 Kc2 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Rc1 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Re1 loss in 2 half-moves
19 Rf1 loss in 2 half-moves