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

EGTB: win in 4 half-moves

# move score
1 Ka4 win in 3 half-moves
2 Kb4 win in 3 half-moves
3 Rb2 win in 7 half-moves
4 Kb5 win in 9 half-moves
5 Kb6 win in 9 half-moves
6 Ra2 win in 13 half-moves
7 Rd4 win in 19 half-moves
8 Ka6 draw
9 Kd1 draw
10 Kd3 draw
11 Ke1 draw
12 Ke3 draw
13 Kf1 draw
14 Kf2 draw
15 Kf3 draw
16 Rc2 draw
17 Rd1 draw
18 Rd3 draw
19 Rd5 draw
20 Rd6 draw
21 Rd7 loss in 2 half-moves
22 Rd8 loss in 2 half-moves