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

EGTB: win in 4 half-moves

# move score
1 Kab4 win in 3 half-moves
2 Kab5 win in 3 half-moves
3 Kb6 win in 3 half-moves
4 Rb1 win in 3 half-moves
5 Rd1 win in 3 half-moves
6 Ra3 win in 5 half-moves
7 Ka6 win in 9 half-moves
8 Ra4 win in 9 half-moves
9 Kc3 win in 11 half-moves
10 Kd3 win in 11 half-moves
11 Kd4 win in 11 half-moves
12 Ra2 win in 11 half-moves
13 Ka4 draw
14 Kb3 draw
15 Kc5 draw
16 Kcb4 draw
17 Kcb5 draw
18 Kd5 draw
19 Rc1 draw
20 Re1 draw
21 Rf1 draw
22 Rg1 loss in 2 half-moves
23 Rh1 loss in 2 half-moves