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

EGTB: win in 4 half-moves

# move score
1 Kc5 win in 3 half-moves
2 Ka3 draw
3 Ka4 draw
4 Ka5 draw
5 Kb3 draw
6 Kb5 draw
7 Kc3 draw
8 Kc4 draw
9 Rb2 draw
10 Rd1 draw
11 Rd3 draw
12 Rd4 draw
13 Rd5 draw
14 Rd6 draw
15 Re2 draw
16 Rf2 draw
17 Rg2 draw
18 Rh2 draw
19 Ra2 loss in 2 half-moves
20 Rc2 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Rd8 loss in 2 half-moves