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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Rb1 draw
3 Rb2 draw
4 Rb4 draw
5 Rb5 draw
6 Re8 draw
7 Rf8 draw
8 Rg8 draw
9 Rh8 draw
10 Kd1 loss in 2 half-moves
11 Kd2 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Ke3 loss in 2 half-moves
14 Kee1 loss in 2 half-moves
15 Kef2 loss in 2 half-moves
16 Kf3 loss in 2 half-moves
17 Kfe1 loss in 2 half-moves
18 Kff2 loss in 2 half-moves
19 Kg1 loss in 2 half-moves
20 Kg2 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 Rd8 loss in 2 half-moves