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

EGTB: win in 4 half-moves

# move score
1 Ka6 win in 3 half-moves
2 Rd3 win in 3 half-moves
3 Rd5 win in 3 half-moves
4 Rd6 win in 3 half-moves
5 Ka2 win in 5 half-moves
6 Kb6 win in 5 half-moves
7 K3a4 draw
8 K3b4 draw
9 K5a4 draw
10 K5b4 draw
11 Ra7 draw
12 Rb7 draw
13 Rc7 draw
14 Rd4 draw
15 Rd8 draw
16 Rh7 draw
17 Kb2 loss in 2 half-moves
18 Kb3 loss in 2 half-moves
19 Kb5 loss in 2 half-moves
20 Rd1 loss in 2 half-moves
21 Rd2 loss in 2 half-moves
22 Re7 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rg7 loss in 2 half-moves