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 Rh2 draw
7 Rh4 draw
8 Rh5 draw
9 Rh6 draw
10 K5b5 loss in 2 half-moves
11 K5b6 loss in 2 half-moves
12 K5d5 loss in 2 half-moves
13 K5d6 loss in 2 half-moves
14 K6b5 loss in 2 half-moves
15 K6b6 loss in 2 half-moves
16 K6d5 loss in 2 half-moves
17 K6d6 loss in 2 half-moves
18 Kb4 loss in 2 half-moves
19 Kb7 loss in 2 half-moves
20 Kc4 loss in 2 half-moves
21 Kc7 loss in 2 half-moves
22 Kd4 loss in 2 half-moves
23 Kd7 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rg8 loss in 2 half-moves
26 Rh1 loss in 2 half-moves
27 Rh3 loss in 2 half-moves
28 Rh7 loss in 2 half-moves