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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rb5 win in 1 half-moves
3 Rb6 win in 1 half-moves
4 Rb7 win in 1 half-moves
5 Ka1 draw
6 Ka3 draw
7 Kb1 draw
8 Kb2 draw
9 Kb3 draw
10 Ra8 draw
11 Rb2 draw
12 Rb3 draw
13 Rc8 draw
14 Rd8 draw
15 Re8 draw
16 Rf8 draw
17 Rg8 draw
18 Rb1 loss in 2 half-moves
19 Rh8 loss in 2 half-moves