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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rb3 win in 1 half-moves
3 Rb5 win in 1 half-moves
4 Rb8 win in 1 half-moves
5 Rc4 win in 1 half-moves
6 Rd4 win in 1 half-moves
7 Re4 win in 1 half-moves
8 Ka5 draw
9 Kb5 draw
10 Rb6 draw
11 Ka7 loss in 4 half-moves
12 Kb7 loss in 4 half-moves
13 Kb6 loss in 1 half-moves
14 Ra4 loss in 1 half-moves
15 Rb2 loss in 1 half-moves
16 Rb7 loss in 1 half-moves
17 Rf4 loss in 1 half-moves
18 Rg4 loss in 1 half-moves
19 Rh4 loss in 1 half-moves