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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Rb8 win in 3 half-moves
3 Rb1 win in 5 half-moves
4 Rb6 win in 5 half-moves
5 Kb5 draw
6 Kc5 draw
7 Kd5 draw
8 Ra4 draw
9 Rb5 draw
10 Rg4 draw
11 Rh4 draw
12 Kb6 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Ke7 loss in 2 half-moves
18 Ke8 loss in 2 half-moves
19 Kf7 loss in 2 half-moves
20 Kg7 loss in 2 half-moves
21 Kg8 loss in 2 half-moves
22 Rb2 loss in 2 half-moves
23 Rb3 loss in 2 half-moves
24 Rc4 loss in 2 half-moves
25 Rd4 loss in 2 half-moves
26 Re4 loss in 2 half-moves
27 Rf4 loss in 2 half-moves