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 Rb1 win in 3 half-moves
3 Rb2 win in 5 half-moves
4 Ka1 draw
5 Ka3 draw
6 Kb1 draw
7 Kb2 draw
8 Kb3 draw
9 Kd1 draw
10 Kd2 draw
11 Ke1 draw
12 Kf1 draw
13 Kf2 draw
14 Ra8 draw
15 Rb3 draw
16 Rc8 draw
17 Rd8 draw
18 Rh8 draw
19 Kd3 loss in 2 half-moves
20 Ke3 loss in 2 half-moves
21 Kf3 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rb6 loss in 2 half-moves
24 Rb7 loss in 2 half-moves
25 Re8 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rg8 loss in 2 half-moves