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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Ra7 draw
3 Rb5 draw
4 Rb6 draw
5 Rb8 draw
6 Kc1 loss in 2 half-moves
7 Kc2 loss in 2 half-moves
8 Kc3 loss in 2 half-moves
9 Kd3 loss in 2 half-moves
10 Kdd1 loss in 2 half-moves
11 Kde2 loss in 2 half-moves
12 Ke3 loss in 2 half-moves
13 Ked1 loss in 2 half-moves
14 Kee2 loss in 2 half-moves
15 Kf1 loss in 2 half-moves
16 Kf2 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Re7 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh7 loss in 2 half-moves