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 Kbc7 win in 3 half-moves
3 Kbc8 win in 3 half-moves
4 Kd7 win in 3 half-moves
5 Ra6 win in 3 half-moves
6 Rb6 win in 3 half-moves
7 Rd6 win in 3 half-moves
8 Re6 win in 3 half-moves
9 Ka7 draw
10 Ka8 draw
11 Kdc7 draw
12 Kdc8 draw
13 Rc1 draw
14 Rc2 draw
15 Rc3 draw
16 Rc4 draw
17 Rc5 draw
18 Rc8 draw
19 Rf6 draw
20 Ke7 loss in 2 half-moves
21 Ke8 loss in 2 half-moves
22 Rc7 loss in 2 half-moves
23 Rg6 loss in 2 half-moves
24 Rh6 loss in 2 half-moves