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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Rb7 win in 3 half-moves
3 Ka3 win in 7 half-moves
4 Kc5 win in 7 half-moves
5 Rb4 win in 7 half-moves
6 Rb6 win in 7 half-moves
7 Ra8 win in 9 half-moves
8 Ka1 draw
9 Kb1 draw
10 Kb2 draw
11 Kb3 draw
12 Kb5 draw
13 Kb6 draw
14 Kb7 draw
15 Kc7 draw
16 Kd5 draw
17 Kd6 draw
18 Kd7 draw
19 Rb3 draw
20 Rc8 draw
21 Rh8 draw
22 Rb1 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rd8 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