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

EGTB: win in 4 half-moves

# move score
1 Ra2 win in 3 half-moves
2 Ka5 draw
3 Ka6 draw
4 Ka7 draw
5 Kb5 draw
6 Kbc5 draw
7 Kbc6 draw
8 Kbc7 draw
9 Kd5 draw
10 Kdc5 draw
11 Kdc6 draw
12 Kdc7 draw
13 Rb2 draw
14 Rc2 draw
15 Rd1 draw
16 Rd3 draw
17 Rd4 draw
18 Kb7 loss in 2 half-moves
19 Kd7 loss in 2 half-moves
20 Ke5 loss in 2 half-moves
21 Ke6 loss in 2 half-moves
22 Ke7 loss in 2 half-moves
23 Rd5 loss in 2 half-moves
24 Re2 loss in 2 half-moves
25 Rf2 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rh2 loss in 2 half-moves