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 Rb5 win in 1 half-moves
3 Rb6 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 Ka1 draw
9 Ka3 draw
10 Kb1 draw
11 Kb3 draw
12 Rb2 draw
13 Rf4 draw
14 Kb2 loss in 1 half-moves
15 Ra4 loss in 1 half-moves
16 Rb1 loss in 1 half-moves
17 Rb7 loss in 1 half-moves
18 Rg4 loss in 1 half-moves
19 Rh4 loss in 1 half-moves