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 Kc4 win in 7 half-moves
3 Kc5 win in 7 half-moves
4 Ra8 win in 7 half-moves
5 Ka1 draw
6 Ka2 draw
7 Ka3 draw
8 Ka4 draw
9 Ka5 draw
10 Ka6 draw
11 Kb1 draw
12 Kb3 draw
13 Kb4 draw
14 Kb6 draw
15 Kc6 draw
16 Rb7 draw
17 Rc8 draw
18 Rh8 draw
19 Kc1 loss in 2 half-moves
20 Kc2 loss in 2 half-moves
21 Kc3 loss in 2 half-moves
22 Rd8 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rg8 loss in 2 half-moves