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 Kb2 draw
5 Kc1 draw
6 Kc2 draw
7 Ra8 draw
8 Rb3 draw
9 Rb5 draw
10 Rb6 draw
11 Rb7 draw
12 Rc8 draw
13 Rd8 loss in 4 half-moves
14 Re8 loss in 4 half-moves
15 Rb2 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rh8 loss in 2 half-moves
18 Rg8 loss in 1 half-moves