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

EGTB: win in 6 half-moves

# move score
1 Rb4 win in 5 half-moves
2 Ka6 draw
3 Ka8 draw
4 Kb6 draw
5 Kb7 draw
6 Kc3 draw
7 Kc4 draw
8 Kc5 draw
9 Kd3 draw
10 Kd5 draw
11 Ra8 draw
12 Rb1 draw
13 Rb2 draw
14 Rb3 draw
15 Rc8 draw
16 Rd8 draw
17 Re8 draw
18 Rf8 draw
19 Ke3 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Ke5 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rb6 loss in 2 half-moves
24 Rb7 loss in 2 half-moves
25 Rg8 loss in 2 half-moves
26 Rh8 loss in 2 half-moves