Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Re4 win in 1 half-moves
2 Ka4 draw
3 Ka5 draw
4 Ka6 draw
5 Kb6 draw
6 Kc5 draw
7 Ra4 draw
8 Rc4 draw
9 Rd4 draw
10 Rf4 draw
11 Rh4 draw
12 Kc4 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kd1 loss in 1 half-moves
15 Kd2 loss in 1 half-moves
16 Ke2 loss in 1 half-moves
17 Kf1 loss in 1 half-moves
18 Kf2 loss in 1 half-moves
19 Rb1 loss in 1 half-moves
20 Rb2 loss in 1 half-moves
21 Rb3 loss in 1 half-moves
22 Rg4 loss in 1 half-moves