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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Rb7 win in 1 half-moves
3 Rb8 win in 1 half-moves
4 Rg4 win in 1 half-moves
5 Ra4 draw
6 Rb5 draw
7 Re4 draw
8 Rf4 draw
9 Kd1 loss in 2 half-moves
10 Kd2 loss in 2 half-moves
11 Ke2 loss in 2 half-moves
12 Kf1 loss in 2 half-moves
13 Kf2 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves