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

EGTB: win in 6 half-moves

# move score
1 Ra8 win in 5 half-moves
2 Ka1 draw
3 Ka2 draw
4 Ka3 draw
5 Kbb1 draw
6 Kbc2 draw
7 Kcb1 draw
8 Kcc2 draw
9 Kd1 draw
10 Kd2 draw
11 Rb8 draw
12 Rf1 draw
13 Rf2 draw
14 Rf3 draw
15 Rf7 draw
16 Rg8 draw
17 Rh8 draw
18 Kb3 loss in 2 half-moves
19 Kc3 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rf4 loss in 2 half-moves
24 Rf5 loss in 2 half-moves
25 Rf6 loss in 2 half-moves