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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Rh5 win in 1 half-moves
3 Rb7 draw
4 Rb8 draw
5 K6b6 loss in 2 half-moves
6 K7b6 loss in 2 half-moves
7 Ka5 loss in 2 half-moves
8 Ka8 loss in 2 half-moves
9 Ra5 loss in 2 half-moves
10 Rb1 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rc5 loss in 2 half-moves
15 Rd5 loss in 2 half-moves
16 Re5 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 K6b7 loss in 1 half-moves
20 K7b7 loss in 1 half-moves
21 Kb8 loss in 1 half-moves