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