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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rb2 win in 7 half-moves
3 Rb5 win in 7 half-moves
4 Rb7 win in 7 half-moves
5 Ra8 win in 9 half-moves
6 Kb2 win in 11 half-moves
7 Kb3 win in 11 half-moves
8 Kb1 draw
9 Kb4 draw
10 Kb5 draw
11 Kb6 draw
12 Kc1 draw
13 Kc3 draw
14 Kc4 draw
15 Kc6 draw
16 Kd1 draw
17 Rb6 draw
18 Rc8 draw
19 Rd8 draw
20 Rh8 draw
21 Kd2 loss in 2 half-moves
22 Kd3 loss in 2 half-moves
23 Kd4 loss in 2 half-moves
24 Kd5 loss in 2 half-moves
25 Kd6 loss in 2 half-moves
26 Rb3 loss in 2 half-moves
27 Rb4 loss in 2 half-moves
28 Re8 loss in 2 half-moves
29 Rf8 loss in 2 half-moves
30 Rg8 loss in 2 half-moves