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 Rc8 draw
7 Rd8 draw
8 Re8 draw
9 Rg8 draw
10 Kc1 loss in 2 half-moves
11 Kc2 loss in 2 half-moves
12 Kc3 loss in 2 half-moves
13 Kd3 loss in 2 half-moves
14 Kdd1 loss in 2 half-moves
15 Kde2 loss in 2 half-moves
16 Ke3 loss in 2 half-moves
17 Ked1 loss in 2 half-moves
18 Kee2 loss in 2 half-moves
19 Kf1 loss in 2 half-moves
20 Kf2 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 Rf8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves