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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Rc2 win in 3 half-moves
3 Rc3 win in 7 half-moves
4 Rc1 win in 13 half-moves
5 Ka2 draw
6 Ka4 draw
7 Kb2 draw
8 Kb3 draw
9 Kc2 draw
10 Kc3 draw
11 Kc4 draw
12 Kd2 draw
13 Ke2 draw
14 Ke3 draw
15 Ra5 draw
16 Rb5 draw
17 Rc4 draw
18 Rg5 draw
19 Kd4 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Rc6 loss in 2 half-moves
22 Rc7 loss in 2 half-moves
23 Rc8 loss in 2 half-moves
24 Rd5 loss in 2 half-moves
25 Re5 loss in 2 half-moves
26 Rf5 loss in 2 half-moves
27 Rh5 loss in 2 half-moves