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 Rd2 draw
3 Rd3 draw
4 Rd4 draw
5 K6b6 loss in 2 half-moves
6 K6b7 loss in 2 half-moves
7 K7b6 loss in 2 half-moves
8 K7b7 loss in 2 half-moves
9 Ka5 loss in 2 half-moves
10 Ka8 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kb8 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rd1 loss in 2 half-moves
16 Rd5 loss in 2 half-moves
17 Rd6 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves