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 Kb2 draw
5 Kb3 draw
6 Kb4 draw
7 Kb5 draw
8 Kb6 draw
9 Kb7 draw
10 Kc5 draw
11 Kc7 draw
12 Kd7 draw
13 Ra1 draw
14 Rc1 draw
15 Rd1 draw
16 Re2 draw
17 Re3 draw
18 Re4 draw
19 Re8 draw
20 Kd5 loss in 2 half-moves
21 Kd6 loss in 2 half-moves
22 Re5 loss in 2 half-moves
23 Re6 loss in 2 half-moves
24 Re7 loss in 2 half-moves
25 Rf1 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rh1 loss in 2 half-moves