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 Kc2 win in 3 half-moves
3 Ka6 win in 5 half-moves
4 Ka8 draw
5 Kb7 draw
6 Kb8 draw
7 Kc1 draw
8 Kd2 draw
9 Rb7 draw
10 Rc7 draw
11 Rd3 draw
12 Rd4 draw
13 Rd5 draw
14 Rd6 draw
15 Rd8 draw
16 Re7 draw
17 Rf7 draw
18 Ke1 loss in 2 half-moves
19 Ke2 loss in 2 half-moves
20 Rd2 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves