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 Re8 win in 1 half-moves
3 Kc2 draw
4 Kc3 draw
5 Kc4 draw
6 Kd2 draw
7 Kd4 draw
8 Ke2 draw
9 Ke3 draw
10 Ra4 draw
11 Rc4 draw
12 Rd4 draw
13 Re1 draw
14 Re2 draw
15 Re3 draw
16 Re5 loss in 2 half-moves
17 Re6 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves