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 Rc2 win in 3 half-moves
3 Rc3 win in 3 half-moves
4 Rc4 win in 3 half-moves
5 Ka2 draw
6 Ka3 draw
7 Ka4 draw
8 Ka6 draw
9 Ka8 draw
10 Kb2 draw
11 Kb4 draw
12 Kb7 draw
13 Kb8 draw
14 Kc2 draw
15 Kc3 draw
16 Kc4 draw
17 Ra5 draw
18 Rb5 draw
19 Rc1 draw
20 Rd5 draw
21 Re5 draw
22 Rc6 loss in 2 half-moves
23 Rc7 loss in 2 half-moves
24 Rc8 loss in 2 half-moves
25 Rf5 loss in 2 half-moves
26 Rg5 loss in 2 half-moves
27 Rh5 loss in 2 half-moves