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 5 half-moves
3 Rb4 win in 5 half-moves
4 Ra8 draw
5 Rb3 draw
6 Rd8 draw
7 Re8 draw
8 Rf8 draw
9 Ke1 loss in 2 half-moves
10 Ke2 loss in 2 half-moves
11 Ke4 loss in 2 half-moves
12 Ke5 loss in 2 half-moves
13 Kf1 loss in 2 half-moves
14 Kf5 loss in 2 half-moves
15 Kg1 loss in 2 half-moves
16 Kg2 loss in 2 half-moves
17 Kg4 loss in 2 half-moves
18 Kg5 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rc8 loss in 2 half-moves
23 Rg8 loss in 2 half-moves
24 Rh8 loss in 2 half-moves
25 K2e3 loss in 1 half-moves
26 K2f3 loss in 1 half-moves
27 K2g3 loss in 1 half-moves
28 K4e3 loss in 1 half-moves
29 K4f3 loss in 1 half-moves
30 K4g3 loss in 1 half-moves