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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rf8 draw
3 Rg8 draw
4 Rh8 draw
5 K4b4 loss in 2 half-moves
6 K4b5 loss in 2 half-moves
7 K5b4 loss in 2 half-moves
8 K5b5 loss in 2 half-moves
9 Ka3 loss in 2 half-moves
10 Ka6 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 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