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 Ka1 draw
3 Ka2 draw
4 Ka6 draw
5 Ka8 draw
6 Kb2 draw
7 Kb6 draw
8 Kb7 draw
9 Kb8 draw
10 Kc1 draw
11 Kc2 draw
12 Ra3 draw
13 Rb2 draw
14 Rb5 draw
15 Rb6 draw
16 Rc3 draw
17 Rd3 draw
18 Rh3 draw
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rg3 loss in 2 half-moves