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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Rb6 win in 1 half-moves
3 Rb7 win in 1 half-moves
4 Rb8 win in 1 half-moves
5 Ka1 draw
6 Ka2 draw
7 Kb2 draw
8 Kc1 draw
9 Kc2 draw
10 Ra4 draw
11 Rb2 draw
12 Rb3 draw
13 Rd4 draw
14 Re4 draw
15 Rf4 draw
16 Rg4 draw
17 Rc4 loss in 2 half-moves
18 Rh4 loss in 2 half-moves