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 3 half-moves
3 Rb3 win in 3 half-moves
4 Rb5 win in 5 half-moves
5 Kb4 draw
6 Kc4 draw
7 Kd4 draw
8 Ra8 draw
9 Rb4 draw
10 Rg8 draw
11 Rh8 draw
12 Kb2 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 Kc2 loss in 2 half-moves
15 Kd2 loss in 2 half-moves
16 Kd3 loss in 2 half-moves
17 Ke1 loss in 2 half-moves
18 Ke2 loss in 2 half-moves
19 Ke3 loss in 2 half-moves
20 Kf1 loss in 2 half-moves
21 Kf3 loss in 2 half-moves
22 Kg1 loss in 2 half-moves
23 Kg2 loss in 2 half-moves
24 Kg3 loss in 2 half-moves
25 Rb6 loss in 2 half-moves
26 Rb7 loss in 2 half-moves
27 Rc8 loss in 2 half-moves
28 Rd8 loss in 2 half-moves
29 Re8 loss in 2 half-moves
30 Rf8 loss in 2 half-moves