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

EGTB: win in 2 half-moves

# move score
1 Rf7 win in 1 half-moves
2 Rd2 draw
3 Rd3 draw
4 Rd4 draw
5 Ka7 loss in 2 half-moves
6 Ka8 loss in 2 half-moves
7 Kbb7 loss in 2 half-moves
8 Kbc7 loss in 2 half-moves
9 Kcb7 loss in 2 half-moves
10 Kcc7 loss in 2 half-moves
11 Kd8 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rc7 loss in 2 half-moves
15 Rd1 loss in 2 half-moves
16 Rd5 loss in 2 half-moves
17 Rd6 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rh7 loss in 2 half-moves