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

EGTB: win in 2 half-moves

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