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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kc7 win in 3 half-moves
4 Kcb5 win in 3 half-moves
5 Kd5 win in 3 half-moves
6 Kd6 win in 3 half-moves
7 Rb4 win in 3 half-moves
8 Rd4 win in 3 half-moves
9 Rc3 win in 5 half-moves
10 Kc5 win in 7 half-moves
11 Ka3 draw
12 Ka5 draw
13 Kab5 draw
14 Kb3 draw
15 Kb4 draw
16 Kd7 draw
17 Rc1 draw
18 Rc2 draw
19 Re4 draw
20 Rf4 draw
21 Rc5 loss in 2 half-moves
22 Rg4 loss in 2 half-moves
23 Rh4 loss in 2 half-moves