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

EGTB: win in 4 half-moves

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