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 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Rc1 draw
6 Rd1 draw
7 Re1 draw
8 Rf2 draw
9 Rf4 draw
10 Rf5 draw
11 Rf6 draw
12 Rb1 loss in 2 half-moves
13 Rf3 loss in 2 half-moves
14 Rf7 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Rh1 loss in 2 half-moves