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 Kd8 draw
3 Kf8 draw
4 Ra4 draw
5 Rc4 draw
6 Rf4 draw
7 Rg4 draw
8 Rh4 draw
9 Kd7 loss in 2 half-moves
10 Ke7 loss in 2 half-moves
11 Kf7 loss in 2 half-moves
12 Ka5 loss in 1 half-moves
13 Ka7 loss in 1 half-moves
14 Kb5 loss in 1 half-moves
15 Kb6 loss in 1 half-moves
16 Kb7 loss in 1 half-moves
17 Rd4 loss in 1 half-moves
18 Re1 loss in 1 half-moves
19 Re2 loss in 1 half-moves
20 Re3 loss in 1 half-moves
21 Re5 loss in 1 half-moves
22 Re6 loss in 1 half-moves
23 Re7 loss in 1 half-moves