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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Rb8 win in 3 half-moves
3 Rd1 win in 5 half-moves
4 Ka1 draw
5 Ka3 draw
6 Ka4 draw
7 Ka5 draw
8 Ka6 draw
9 Kb1 draw
10 Kb2 draw
11 Kb3 draw
12 Kb4 draw
13 Kb6 draw
14 Kc4 draw
15 Kc5 draw
16 Kc6 draw
17 Rc8 draw
18 Rd2 draw
19 Rd6 draw
20 Rd7 draw
21 Re8 draw
22 Rd3 loss in 2 half-moves
23 Rd4 loss in 2 half-moves
24 Rd5 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves