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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kg1 draw
3 Kg2 draw
4 Kg8 draw
5 Kh2 draw
6 Kh7 draw
7 Ra1 draw
8 Rf2 draw
9 Rf3 draw
10 Rf4 draw
11 Rf8 draw
12 Rg1 draw
13 Kg7 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rd1 loss in 2 half-moves
16 Re1 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rf7 loss in 2 half-moves