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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Rc8 win in 3 half-moves
3 Rd8 win in 3 half-moves
4 Ra8 win in 7 half-moves
5 Kc1 draw
6 Kc2 draw
7 Kc3 draw
8 Kd1 draw
9 Ke1 draw
10 Ke2 draw
11 Ke3 draw
12 Re8 draw
13 Rf2 draw
14 Rf7 draw
15 Ka4 loss in 2 half-moves
16 Ka5 loss in 2 half-moves
17 Ka6 loss in 2 half-moves
18 Kb4 loss in 2 half-moves
19 Kb6 loss in 2 half-moves
20 Kc4 loss in 2 half-moves
21 Kc5 loss in 2 half-moves
22 Kc6 loss in 2 half-moves
23 Kd3 loss in 2 half-moves
24 Rf1 loss in 2 half-moves
25 Rf3 loss in 2 half-moves
26 Rf4 loss in 2 half-moves
27 Rf5 loss in 2 half-moves
28 Rf6 loss in 2 half-moves
29 Rg8 loss in 2 half-moves
30 Rh8 loss in 2 half-moves