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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Re6 draw
3 K1b1 loss in 2 half-moves
4 K1b2 loss in 2 half-moves
5 K2b1 loss in 2 half-moves
6 K2b2 loss in 2 half-moves
7 Ka3 loss in 2 half-moves
8 Kb3 loss in 2 half-moves
9 Ra6 loss in 2 half-moves
10 Rb1 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Rd6 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rh6 loss in 2 half-moves