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

EGTB: win in 2 half-moves

# move score
1 Kf7 win in 1 half-moves
2 Rd8 win in 9 half-moves
3 Rb2 draw
4 Kc5 loss in 2 half-moves
5 Kc6 loss in 2 half-moves
6 Kc7 loss in 2 half-moves
7 Kd5 loss in 2 half-moves
8 Kd8 loss in 2 half-moves
9 Kdd7 loss in 2 half-moves
10 Kde7 loss in 2 half-moves
11 Ke5 loss in 2 half-moves
12 Ke6 loss in 2 half-moves
13 Ked7 loss in 2 half-moves
14 Kee7 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rc8 loss in 2 half-moves
23 Kf8 loss in 1 half-moves