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

EGTB: win in 6 half-moves

# move score
1 Rb3 win in 5 half-moves
2 Ka6 draw
3 Kb7 draw
4 Kc2 draw
5 Kc3 draw
6 Kc4 draw
7 Kd2 draw
8 Kd4 draw
9 Ke2 draw
10 Ra8 draw
11 Rb1 draw
12 Rb2 draw
13 Rb4 draw
14 Rb6 draw
15 Rf8 draw
16 Ka8 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Ke4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rc8 loss in 2 half-moves
22 Rd8 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves
26 Kb6 loss in 1 half-moves