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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Kb5 win in 5 half-moves
3 Kd3 win in 5 half-moves
4 Ka5 draw
5 Ka7 draw
6 Kb6 draw
7 Kd1 draw
8 Kd2 draw
9 Ke1 draw
10 Ke3 draw
11 Ra4 draw
12 Rb2 draw
13 Rb5 draw
14 Rb7 draw
15 Rb8 draw
16 Rc4 draw
17 Rd4 draw
18 Re4 draw
19 Kb7 loss in 2 half-moves
20 Kf1 loss in 2 half-moves
21 Kf2 loss in 2 half-moves
22 Kf3 loss in 2 half-moves
23 Rb1 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Rf4 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rh4 loss in 2 half-moves