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 Rf4 win in 1 half-moves
3 Ra4 draw
4 Ka4 loss in 2 half-moves
5 Ka6 loss in 2 half-moves
6 Kb5 loss in 2 half-moves
7 Kb6 loss in 2 half-moves
8 Rb5 loss in 2 half-moves
9 Rb6 loss in 2 half-moves
10 Rb7 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Rc4 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Rg4 loss in 2 half-moves
16 Rh4 loss in 2 half-moves
17 Rb1 loss in 1 half-moves
18 Rb2 loss in 1 half-moves