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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Rf4 win in 1 half-moves
3 Ka3 draw
4 Ka4 draw
5 Kb2 draw
6 Kc2 draw
7 Kc3 draw
8 Ra4 draw
9 Rb5 draw
10 Rb6 draw
11 Kc4 loss in 16 half-moves
12 Ka2 loss in 4 half-moves
13 Rb8 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rg4 loss in 2 half-moves
18 Rh4 loss in 2 half-moves