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 Ka2 draw
3 Ka4 draw
4 Ka5 draw
5 Ka7 draw
6 Kb2 draw
7 Kb3 draw
8 Kb4 draw
9 Kb5 draw
10 Kb6 draw
11 Rc1 draw
12 Rd1 draw
13 Rh1 draw
14 Kb7 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Re1 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rg1 loss in 2 half-moves