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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Kb7 win in 3 half-moves
4 Ra2 win in 3 half-moves
5 Rb2 win in 3 half-moves
6 Ka5 draw
7 Rc1 draw
8 Rc3 draw
9 Rc4 draw
10 Rd2 draw
11 Re2 draw
12 Rh2 draw
13 Ka7 loss in 4 half-moves
14 Rc5 loss in 2 half-moves
15 Rc6 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rg2 loss in 2 half-moves