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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Rb3 draw
3 K5a6 loss in 2 half-moves
4 K5b6 loss in 2 half-moves
5 K7a6 loss in 2 half-moves
6 K7b6 loss in 2 half-moves
7 Ka4 loss in 2 half-moves
8 Ka8 loss in 2 half-moves
9 Kb8 loss in 2 half-moves
10 Rb1 loss in 2 half-moves
11 Rb6 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rc7 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rg7 loss in 2 half-moves
18 Rh7 loss in 2 half-moves
19 Kb4 loss in 1 half-moves
20 Kb5 loss in 1 half-moves
21 Rb4 loss in 1 half-moves
22 Rb5 loss in 1 half-moves