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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rc1 draw
3 Rd1 draw
4 Re1 draw
5 Rh3 draw
6 Rh4 draw
7 Rh5 draw
8 Rh7 draw
9 K1b1 loss in 2 half-moves
10 K1b2 loss in 2 half-moves
11 K2b1 loss in 2 half-moves
12 K2b2 loss in 2 half-moves
13 Ka3 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Rf1 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rh2 loss in 2 half-moves
18 Rh6 loss in 2 half-moves
19 Rh8 loss in 2 half-moves