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 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 Ra4 draw
12 Rb2 draw
13 Rb8 draw
14 Rc4 draw
15 Rg4 draw
16 Rh4 draw
17 Kc2 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rd4 loss in 2 half-moves
22 Re4 loss in 2 half-moves
23 Rf4 loss in 2 half-moves