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