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 Kc6 draw
3 Kc7 draw
4 Kc8 draw
5 Ra1 draw
6 Rc1 draw
7 Rd1 draw
8 Re1 draw
9 Rf5 draw
10 Rf6 draw
11 Rf7 draw
12 Rf8 draw
13 Ka2 loss in 2 half-moves
14 Ka4 loss in 2 half-moves
15 Ka6 loss in 2 half-moves
16 Ka7 loss in 2 half-moves
17 Ka8 loss in 2 half-moves
18 Kb2 loss in 2 half-moves
19 Kb3 loss in 2 half-moves
20 Kb4 loss in 2 half-moves
21 Kb6 loss in 2 half-moves
22 Kb8 loss in 2 half-moves
23 Rf2 loss in 2 half-moves
24 Rf3 loss in 2 half-moves
25 Rf4 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rh1 loss in 2 half-moves