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 Kd3 win in 3 half-moves
3 Rb7 win in 7 half-moves
4 Ka4 draw
5 Ka6 draw
6 Kb5 draw
7 Kb6 draw
8 Kd1 draw
9 Kd2 draw
10 Ke1 draw
11 Ke3 draw
12 Ra7 draw
13 Rc7 draw
14 Rd2 draw
15 Rd3 draw
16 Rd4 draw
17 Rd5 draw
18 Rd6 draw
19 Rd8 draw
20 Re7 draw
21 Kf1 loss in 2 half-moves
22 Kf2 loss in 2 half-moves
23 Kf3 loss in 2 half-moves
24 Rd1 loss in 2 half-moves
25 Rf7 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves