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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Kc4 draw
3 Rb1 draw
4 Rb2 draw
5 Rb3 draw
6 Rb5 draw
7 Rb8 draw
8 Rf4 draw
9 Rg4 draw
10 Kd4 loss in 4 half-moves
11 Kb5 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rh4 loss in 1 half-moves