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

EGTB: win in 6 half-moves

# move score
1 Rb3 win in 5 half-moves
2 Rb1 draw
3 Rb2 draw
4 Rb4 draw
5 Rb5 draw
6 Rd8 draw
7 Re8 draw
8 Rf8 draw
9 Rh8 draw
10 K1e1 loss in 2 half-moves
11 K1e2 loss in 2 half-moves
12 K1g1 loss in 2 half-moves
13 K1g2 loss in 2 half-moves
14 K2e1 loss in 2 half-moves
15 K2e2 loss in 2 half-moves
16 K2g1 loss in 2 half-moves
17 K2g2 loss in 2 half-moves
18 Ke3 loss in 2 half-moves
19 Kf3 loss in 2 half-moves
20 Kg3 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rb7 loss in 2 half-moves
24 Rc8 loss in 2 half-moves
25 Rg8 loss in 2 half-moves