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 Kc1 draw
10 Kc2 draw
11 Ra8 draw
12 Rc8 draw
13 Rd8 draw
14 Rh8 draw
15 Rb2 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves