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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Kb5 win in 3 half-moves
3 Ka5 win in 5 half-moves
4 Rd3 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 Ka8 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Ra3 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Re3 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rh3 loss in 2 half-moves