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

EGTB: win in 2 half-moves

# move score
1 Rh8 win in 1 half-moves
2 Kd6 draw
3 Kd7 draw
4 Ra8 draw
5 Kc6 loss in 26 half-moves
6 Rb7 loss in 26 half-moves
7 Kb7 loss in 20 half-moves
8 Kc8 loss in 18 half-moves
9 Rb3 loss in 16 half-moves
10 Rc8 loss in 12 half-moves
11 Kb6 loss in 8 half-moves
12 Kd8 loss in 4 half-moves
13 Rb1 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves