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

EGTB: win in 4 half-moves

# move score
1 K1a2 win in 3 half-moves
2 K1b2 win in 3 half-moves
3 K3b2 win in 3 half-moves
4 Kb1 win in 3 half-moves
5 Kb3 win in 3 half-moves
6 Rd1 win in 3 half-moves
7 Rd3 win in 3 half-moves
8 Rd4 win in 3 half-moves
9 K3a2 draw
10 Ka4 draw
11 Ra2 draw
12 Rc2 draw
13 Rd5 draw
14 Rd6 draw
15 Re2 draw
16 Rf2 draw
17 Rg2 draw
18 Rh2 draw
19 Kb4 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Rd8 loss in 2 half-moves