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

EGTB: win in 2 half-moves

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