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 Rd8 draw
3 Re8 draw
4 Rf8 draw
5 Ka1 loss in 2 half-moves
6 Ka2 loss in 2 half-moves
7 Ka6 loss in 2 half-moves
8 Ka8 loss in 2 half-moves
9 Kb2 loss in 2 half-moves
10 Kb6 loss in 2 half-moves
11 Kb7 loss in 2 half-moves
12 Kc1 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves