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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Rb7 win in 3 half-moves
3 Rb8 win in 11 half-moves
4 Rb3 draw
5 Rb4 draw
6 Rb6 draw
7 Rd2 draw
8 Re2 draw
9 Rf2 draw
10 Rg2 draw
11 Kc5 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Kd8 loss in 2 half-moves
16 Kdd7 loss in 2 half-moves
17 Kde7 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Ke6 loss in 2 half-moves
20 Ked7 loss in 2 half-moves
21 Kee7 loss in 2 half-moves
22 Kf7 loss in 2 half-moves
23 Kf8 loss in 2 half-moves
24 Ra2 loss in 2 half-moves
25 Rb1 loss in 2 half-moves
26 Rc2 loss in 2 half-moves
27 Rh2 loss in 2 half-moves