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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Rb7 win in 5 half-moves
3 Rb8 win in 5 half-moves
4 Ra2 draw
5 Rb3 draw
6 Rb4 draw
7 Rb5 draw
8 Rd2 draw
9 Re2 draw
10 Rf2 draw
11 Kc6 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kc8 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Kdd8 loss in 2 half-moves
16 Kde7 loss in 2 half-moves
17 Ke6 loss in 2 half-moves
18 Ked8 loss in 2 half-moves
19 Kee7 loss in 2 half-moves
20 Kf7 loss in 2 half-moves
21 Kf8 loss in 2 half-moves
22 Rb1 loss in 2 half-moves
23 Rc2 loss in 2 half-moves
24 Rg2 loss in 2 half-moves
25 Rh2 loss in 2 half-moves