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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Ka3 win in 3 half-moves
3 Ka6 win in 3 half-moves
4 Rb1 win in 3 half-moves
5 Rb2 win in 3 half-moves
6 Kb6 win in 5 half-moves
7 K4b4 win in 7 half-moves
8 K5b4 win in 7 half-moves
9 K4b5 draw
10 K5b5 draw
11 Ra3 draw
12 Rc3 draw
13 Rd3 draw
14 Re3 draw
15 Rf3 draw
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rh3 loss in 2 half-moves