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 Rd8 win in 3 half-moves
3 Ra8 draw
4 Rc8 draw
5 Re8 draw
6 Rf1 draw
7 Rf2 draw
8 Rf3 draw
9 Rf4 draw
10 K4b4 loss in 2 half-moves
11 K4b5 loss in 2 half-moves
12 K4d4 loss in 2 half-moves
13 K4d5 loss in 2 half-moves
14 K5b4 loss in 2 half-moves
15 K5b5 loss in 2 half-moves
16 K5d4 loss in 2 half-moves
17 K5d5 loss in 2 half-moves
18 Kb3 loss in 2 half-moves
19 Kb6 loss in 2 half-moves
20 Kc3 loss in 2 half-moves
21 Kc6 loss in 2 half-moves
22 Kd3 loss in 2 half-moves
23 Kd6 loss in 2 half-moves
24 Rf5 loss in 2 half-moves
25 Rf6 loss in 2 half-moves
26 Rf7 loss in 2 half-moves
27 Rg8 loss in 2 half-moves
28 Rh8 loss in 2 half-moves