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 Ra8 draw
3 Rb5 draw
4 Rb6 draw
5 Rb7 draw
6 Re8 draw
7 Rf8 draw
8 Rg8 draw
9 Rh8 draw
10 Kaa1 loss in 2 half-moves
11 Kaa3 loss in 2 half-moves
12 Kab1 loss in 2 half-moves
13 Kab3 loss in 2 half-moves
14 Kba1 loss in 2 half-moves
15 Kba3 loss in 2 half-moves
16 Kbb1 loss in 2 half-moves
17 Kbb3 loss in 2 half-moves
18 Kc1 loss in 2 half-moves
19 Kc2 loss in 2 half-moves
20 Kc3 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rc8 loss in 2 half-moves
23 Rd8 loss in 2 half-moves