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

EGTB: win in 4 half-moves

# move score
1 Kb1 win in 3 half-moves
2 Kb2 win in 3 half-moves
3 Rb1 win in 3 half-moves
4 Rc1 draw
5 Rd1 draw
6 Re1 draw
7 Rf1 draw
8 Ka3 loss in 2 half-moves
9 Kb3 loss in 2 half-moves
10 Rg1 loss in 2 half-moves
11 Rh1 loss in 2 half-moves