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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Rb1 win in 7 half-moves
3 Rb3 win in 7 half-moves
4 Rb6 win in 7 half-moves
5 Kb2 draw
6 Kb3 draw
7 Kb4 draw
8 Kb5 draw
9 Kb6 draw
10 Kb7 draw
11 Kc2 draw
12 Kc4 draw
13 Kc5 draw
14 Kc7 draw
15 Kd2 draw
16 Kd3 draw
17 Ra8 draw
18 Rb4 draw
19 Rc8 draw
20 Rd8 draw
21 Re8 draw
22 Rg8 draw
23 Rh8 draw
24 Kd4 loss in 2 half-moves
25 Kd5 loss in 2 half-moves
26 Kd6 loss in 2 half-moves
27 Kd7 loss in 2 half-moves
28 Rb5 loss in 2 half-moves
29 Rb7 loss in 2 half-moves
30 Rf8 loss in 2 half-moves