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

EGTB: win in 2 half-moves

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