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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Rb5 win in 3 half-moves
3 Rb6 win in 3 half-moves
4 Rb7 win in 3 half-moves
5 Ka4 draw
6 Ka6 draw
7 Ka7 draw
8 Ka8 draw
9 Kb4 draw
10 Kb5 draw
11 Kb6 draw
12 Kb7 draw
13 Kc7 draw
14 Kc8 draw
15 Ra3 draw
16 Rf3 draw
17 Rb1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rg3 loss in 2 half-moves
23 Rh3 loss in 2 half-moves