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 Kd3 draw
3 Ke3 draw
4 Ra4 draw
5 Rc3 draw
6 Rc6 draw
7 Rc7 draw
8 Rc8 draw
9 Kc5 loss in 2 half-moves
10 Kd5 loss in 2 half-moves
11 Ke4 loss in 2 half-moves
12 Ke5 loss in 2 half-moves
13 Kg5 loss in 2 half-moves
14 Kg6 loss in 2 half-moves
15 Kg7 loss in 2 half-moves
16 Kh5 loss in 2 half-moves
17 Kh7 loss in 2 half-moves
18 Rc1 loss in 2 half-moves
19 Rc2 loss in 2 half-moves
20 Rc5 loss in 2 half-moves
21 Kc3 loss in 1 half-moves