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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Rb7 win in 1 half-moves
3 Rc4 win in 1 half-moves
4 Rd4 win in 3 half-moves
5 Re4 win in 3 half-moves
6 Rf4 win in 3 half-moves
7 Rg4 win in 3 half-moves
8 Rh4 win in 3 half-moves
9 Rb1 draw
10 K4b5 loss in 2 half-moves
11 K5b5 loss in 2 half-moves
12 Ka3 loss in 2 half-moves
13 Ka6 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb8 loss in 2 half-moves