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

EGTB: win in 2 half-moves

# move score
1 Ka1 win in 1 half-moves
2 Kc1 win in 1 half-moves
3 Kb1 draw
4 Ra8 draw
5 Rb3 draw
6 Rb7 draw
7 Rf8 draw
8 Rh8 draw
9 Ka2 loss in 6 half-moves
10 Ka3 loss in 6 half-moves
11 Kb3 loss in 2 half-moves
12 Kc2 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves